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Category: Exploits

Explore the latest software exploits, zero-day vulnerabilities, and security PoCs. Geek-Guy provides expert analysis on emerging threats and how to stay protected.

North Korea-backed Kimsuky targets unpatched BlueKeep systems in new campaign

The infamous BlueKeep flaw from 2019, tracked as CVE-2019-0708, has come back to haunt security professionals as reports of fresh, in-the-wild abuse surface. The dangerous, “wormable” RCE flaw affecting Microsoft’s remote desktop protocol (RDP) was exploited in a new campaign by North Korea-backed Kimsuky APT,  targeting vulnerable South Korean and Japanese systems. South Korean cybersecurity…

Generative AI is making pen-test vulnerability remediation much worse

Technical, organizational, and cultural factors are preventing enterprises from resolving vulnerabilities uncovered in penetration tests — a problem the advent of generative AI is exacerbating rather than relieving. According to a study by penetration testing as a service firm Cobalt, organizations fix less than half of all exploitable vulnerabilities (48%), a figure that drops to…

Public exploits already available for a severity 10 Erlang SSH vulnerability; patch now

Experts are urging enterprises to immediately patch an Erlang/OTP Secure Shell (SSH) vulnerability that allows unauthenticated attackers to gain full access to a device. The remote code execution (RCE) vulnerability (CVE-2025-32433) has a CVSS score of 10, the highest possible severity level. Many impacted devices are widely used in Internet of Things (IoT) and telecom…

Judge limits evidence about NSO Group customers, victims in damages trial

A federal judge last week placed strict limits on the kind of evidence NSO Group can raise during a trial on damages in the lawsuit WhatsApp brought against the spyware vendor over allegations it hacked 1,400 of the messaging platform’s users. Under the order, NSO Group is prohibited from presenting evidence about its customers’ identities,…

Kimsuky Exploits BlueKeep RDP Vulnerability to Breach Systems in South Korea and Japan

Cybersecurity researchers have flagged a new malicious campaign related to the North Korean state-sponsored threat actor known as Kimsuky that exploits a now-patched vulnerability impacting Microsoft Remote Desktop Services to gain initial access. The activity has been named Larva-24005 by the AhnLab Security Intelligence Center (ASEC). “In some systems, initial access was gained through

ASUS patches critical router flaw that allows remote attacks

ASUS is urging customers with AiCloud enabled on their ASUS routers to immediately upgrade firmware against a critical vulnerability that allows unauthorized activities by remote actors. Tracked as CVE-2025-2492, the vulnerability is an authentication bypass issue receiving a critical severity rating of CVSS 9.2 out of 10. “An improper authentication control vulnerability exists in certain…

Hackers Abuse Russian Bulletproof Host Proton66 for Global Attacks and Malware Delivery

Cybersecurity researchers have disclosed a surge in “mass scanning, credential brute-forcing, and exploitation attempts” originating from IP addresses associated with a Russian bulletproof hosting service provider named Proton66. The activity, detected since January 8, 2025, targeted organizations worldwide, according to a two-part analysis published by Trustwave SpiderLabs last week.  “Net

CVE-2025-32433: Erlang/OTP SSH Unauthenticated Remote Code Execution Vulnerability

Proof-of-concept code has been released after researchers disclosed a maximum severity remote code execution vulnerability in Erlang/OTP SSH. Successful exploitation could allow for complete takeover of affected devices. Background On April 16, Fabian Bäumer, Marcus Brinkmann, Marcel Maehren, and Jörg Schwenk of the Ruhr University Bochum in Germany disclosed a critical vulnerability in Erlang/OTP SSH…

CVE-2025-24054 Under Active Attack—Steals NTLM Credentials on File Download

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Thursday added a medium-severity security flaw impacting Microsoft Windows to its Known Exploited Vulnerabilities (KEV) catalog, following reports of active exploitation in the wild. The vulnerability, assigned the CVE identifier CVE-2025-24054 (CVSS score: 6.5), is a Windows New Technology LAN Manager (NTLM) hash disclosure

Your Network Is Showing – Time to Go Stealth

The Old Guard: Firewalls, VPNs and Exposed Control Planes Cyberattacks have evolved beyond the perimeter. No longer limited to opportunistic breaches, attackers are now executing coordinated campaigns that target the very foundations of enterprise network infrastructure — firewalls, VPNs, and control planes. The growing sophistication of adversaries has exposed the limits of traditional security models,…

The FTC Is Watching: GoDaddy’s Settlement Sends a Clear Message on API Security

In today’s rapidly changing digital environment, APIs play a crucial role in modern business, facilitating smooth connectivity and data sharing. Yet, this interconnected nature brings significant security and privacy risks, as evidenced by the Federal Trade Commission’s (FTC) recent settlement with GoDaddy. This settlement serves as a stark reminder that strong API security is no…

Hackers target Apple users in an ‘extremely sophisticated attack’

Apple is urging immediate patching of two zero-day vulnerabilities in its CoreAudio and RPAC components, citing their use in what the iPhone maker describes as “extremely sophisticated attacks.” Tracked as CVE-2025-31200 (CoreAudio) and CVE-2025-31201 (RPAC), the vulnerabilities were exploited in the wild to carry out code execution and memory corruption attacks, respectively. “Apple is aware…

CISA Flags Actively Exploited Vulnerability in SonicWall SMA Devices

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Wednesday added a security flaw impacting SonicWall Secure Mobile Access (SMA) 100 Series gateways to its Known Exploited Vulnerabilities (KEV) catalog, based on evidence of active exploitation. The high-severity vulnerability, tracked as CVE-2021-20035 (CVSS score: 7.2), relates to a case of operating system command injection

Apple Patches Two Actively Exploited iOS Flaws Used in Sophisticated Targeted Attacks

Apple on Wednesday released security updates for iOS, iPadOS, macOS Sequoia, tvOS, and visionOS to address two security flaws that it said have come under active exploitation in the wild. The vulnerabilities in question are listed below – CVE-2025-31200 (CVSS score: 7.5) – A memory corruption vulnerability in the Core Audio framework that could allow…

Update these two servers from Gladinet immediately, CISOs told

CISOs running Gladinet’s CentreStack file server or Triofox file sharing server should update the applications as soon as possible because of a hard-coded key vulnerability which is being exploited now, say researchers at Huntress. “Immediate action is essential.” John Hammond, principal security researcher at Huntress, said in an email to CSO. “If left unpatched, it…

WatchGuard Report Finds 94% Increase in Network Malware

Unified cybersecurity leader WatchGuard recently unveiled its latest Internet Security Report, which discovered a 94 percent increase in network-based malware detections, signaling an increase in threats. This quarterly report details the top malware, network, and endpoint security threats observed by WatchGuard Threat Lab researchers during Q4 of 2024. Research finds increases across malware types and…

Experts Uncover Four New Privilege Escalation Flaws in Windows Task Scheduler

Cybersecurity researchers have detailed four different vulnerabilities in a core component of the Windows task scheduling service that could be exploited by local attackers to achieve privilege escalation and erase logs to cover up evidence of malicious activities. The issues have been uncovered in a binary named “schtasks.exe,” which enables an administrator to create, delete,…

BSidesLV24 – Breaking Ground – Modern ColdFusion Exploitation and Attack Surface Reduction

Author/Presenter: Brian Reilly Our sincere appreciation to BSidesLV, and the Presenters/Authors for publishing their erudite Security BSidesLV24 content. Originating from the conference’s events located at the Tuscany Suites & Casino; and via the organizations YouTube channel. Permalink The post BSidesLV24 – Breaking Ground – Modern ColdFusion Exploitation and Attack Surface Reduction appeared first on Security…

Chinese espionage group leans on open-source tools to mask intrusions

A Chinese state-sponsored hacking group has been observed using recently released open-source offensive security tools and other tactics in an effort to blend in with more common cybercriminal activity. The group, UNC5174, is an espionage-minded hacking group that is believed to have ties to the Chinese government and targets Western governments, technology companies, research institutions…

Incomplete patching leaves Nvidia, Docker exposed to DOS attacks

A critical race condition bug affecting the Nvidia Container Toolkit, which received a fix in September, might still be open to attacks owing to incomplete patching. Tracked as CVE-2024-0132, the flaw is a critical – CVSS 9 out of 10 – Time-of-Check Time-of-Use (TOCTOU) vulnerability that could allow a specifically crafted container image to gain…

Strengthen Security with Cyber Risk Advisory

In today’s fast-paced digital world, cyber threats are constantly evolving. Attackers are leveraging advanced techniques and artificial intelligence (AI) to exploit vulnerabilities, leaving organizations vulnerable to breaches and disruptions. To combat these challenges, organizations must stay vigilant and implement more proactive cybersecurity measures. This is where our Cyber Risk Advisory service, powered by the Trend…

Strengthen Security with Cyber Risk Advisory

In today’s fast-paced digital world, cyber threats are constantly evolving. Attackers are leveraging advanced techniques and artificial intelligence (AI) to exploit vulnerabilities, leaving organizations vulnerable to breaches and disruptions. To combat these challenges, organizations must stay vigilant and implement more proactive cybersecurity measures. This is where our Cyber Risk Advisory service, powered by the Trend…

Strengthen Security with Cyber Risk Advisory

In today’s fast-paced digital world, cyber threats are constantly evolving. Attackers are leveraging advanced techniques and artificial intelligence (AI) to exploit vulnerabilities, leaving organizations vulnerable to breaches and disruptions. To combat these challenges, organizations must stay vigilant and implement more proactive cybersecurity measures. This is where our Cyber Risk Advisory service, powered by the Trend…

AI hallucinations lead to a new cyber threat: Slopsquatting

Cybersecurity researchers are warning of a new type of supply chain attack, Slopsquatting, induced by a hallucinating generative AI model recommending non-existent dependencies. According to research by a team from the University of Texas at San Antonio, Virginia Tech, and the University of Oklahama, package hallucination is a common thing with Large Language Models (LLM)-generated…

Cybersecurity in the AI Era: Evolve Faster Than the Threats or Get Left Behind

AI is changing cybersecurity faster than many defenders realize. Attackers are already using AI to automate reconnaissance, generate sophisticated phishing lures, and exploit vulnerabilities before security teams can react. Meanwhile, defenders are overwhelmed by massive amounts of data and alerts, struggling to process information quickly enough to identify real threats. AI offers a way to

Is Ivanti the problem or a symptom of a systemic issue with network devices?

Network edge devices — hardware that powers firewalls, VPNs and network routers — have quickly moved up the list of attackers’ preferred intrusion points into enterprise networks. While dozens of companies make and sell these devices, customers of one company in particular — Ivanti — have confronted exploited vulnerabilities in their products more than any…

GenAI-Security als Checkliste

Das Open Web Application Security Project (OWASP) gibt Unternehmen eine Checkliste für (mehr) GenAI-Sicherheit an die Hand. Foto: Gannvector | shutterstock.com Während Unternehmen wie OpenAI, Anthropic, Google oder Microsoft aber auch Open-Source-Alternativen bei ihren Generative-AI– und Large-Language-Model-Angeboten exponentielle User-Zuwächse verzeichnen, sind IT-Sicherheitsentscheider bemüht, mit der rasanten KI-Entwicklung in ihren Unternehmen Schritt zu halten. Die Non-Profit-Organisation…

New WatchGuard Threat Lab Report Discovers 94% Increase in Network Malware as Cybercriminals Exploit Advanced, Encrypted Connections

GUEST RESEARCH:  Other key findings show an increase in crypto miner detections, a spike in zero-day malware, a drop in endpoint malware, a rise in Linux-based threats, and more. WatchGuard Technologies, a global leader in unified cybersecurity,  released the findings of its latest Internet Security Report, a quarterly analysis detailing the top malware, network, and endpoint…

Initial Access Brokers Shift Tactics, Selling More for Less

What are IABs? Initial Access Brokers (IABs) specialize in gaining unauthorized entry into computer systems and networks, then selling that access to other cybercriminals. This division of labor allows IABs to concentrate on their core expertise: exploiting vulnerabilities through methods like social engineering and brute-force attacks.  By selling access, they significantly mitigate the

OttoKit WordPress Plugin Admin Creation Vulnerability Under Active Exploitation

A newly disclosed high-severity security flaw impacting OttoKit (formerly SureTriggers) has come under active exploitation within a few hours of public disclosure. The vulnerability, tracked as CVE-2025-3102 (CVSS score: 8.1), is an authorization bypass bug that could permit an attacker to create administrator accounts under certain conditions and take control of susceptible websites. “The

Incomplete Patch in NVIDIA Toolkit Leaves CVE-2024-0132 Open to Container Escapes

Cybersecurity researchers have detailed a case of an incomplete patch for a previously addressed security flaw impacting the NVIDIA Container Toolkit that, if successfully exploited, could put sensitive data at risk. The original vulnerability CVE-2024-0132 (CVSS score: 9.0) is a Time-of-Check Time-of-Use (TOCTOU) vulnerability that could lead to a container escape attack and allow for

Hackers attempted to steal AWS credentials using SSRF flaws within hosted sites

In a new campaign, threat actors have been trying to access EC2 Instance Metadata, which consists of sensitive virtual server information like IP address, instance ID, and security credentials by exploiting server-side request forgery (SSRF) bugs in websites hosted on AWS. According to observations made by F5 Labs, threat actors exploited Instance Metadata Service version…

Ransomware-Attacken stoßen in Windows-Lücke

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Top 16 OffSec, pen-testing, and ethical hacking certifications

Red team careers are in high demand, with companies seeking professionals skilled in penetration testing, offensive security (OffSec), and ethical hacking. To stand out in a competitive job market, cybersecurity professionals should consider earning certifications that validate their expertise. Here’s a look at the top certifications for offensive security today, along with advice on how…

Whatsapp plugs bug allowing RCE with spoofed filenames

Meta is warning Whatsapp users of an issue affecting its Windows rollouts that could allow attackers to perform remote code execution (RCE) on systems running the vulnerable releases. Tracked as CVE-2025-30401, the flaw potentially allows threat actors to trick users into running maliciously crafted files with misleading filename extensions. “Due to a failing in Whatsapp,…

New TCESB Malware Found in Active Attacks Exploiting ESET Security Scanner

A Chinese-affiliated threat actor known for its cyber-attacks in Asia has been observed exploiting a security flaw in security software from ESET to deliver a previously undocumented malware codenamed TCESB. “Previously unseen in ToddyCat attacks, [TCESB] is designed to stealthily execute payloads in circumvention of protection and monitoring tools installed on the device,” Kaspersky said…

CISA Warns of CentreStack’s Hard-Coded MachineKey Vulnerability Enabling RCE Attacks

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Tuesday added a critical security flaw impacting Gladinet CentreStack to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active exploitation in the wild. The vulnerability, tracked as CVE-2025-30406 (CVSS score: 9.0), concerns a case of a hard-coded cryptographic key that could be abused to achieve…

Patch Tuesday, April 2025 Edition

Microsoft today released updates to plug at least 121 security holes in its Windows operating systems and software, including one vulnerability that is already being exploited in the wild. Eleven of those flaws earned Microsoft’s most-dire “critical” rating, meaning malware or malcontents could exploit them with little to no interaction from Windows users. The zero-day…

April Patch Tuesday news: Windows zero day being exploited, ‘big vulnerability’ in 2 SAP apps

A threat actor is exploiting a zero-day elevation of privileges vulnerability in the Windows Common Log File System to deploy ransomware, one of a number of critical holes Microsoft plugged today as part of its April Patch Tuesday releases. “The targets include organizations in the information technology (IT) and real estate sectors of the United…

Microsoft patches zero-day actively exploited in string of ransomware attacks

Microsoft addressed 126 vulnerabilities affecting its systems and core products, including a zero-day in the Windows Common Log File System (CLFS) that’s been actively exploited in a series of ransomware attacks, the company said in its latest security update Tuesday. A group Microsoft tracks as Storm-2460 has exploited CVE-2025-29824 to initiate ransomware attacks “against a…

The Renaissance of NTLM Relay Attacks: Everything You Need to Know

NTLM relay attacks have been around for a long time. While many security practitioners think NTLM relay is a solved problem, or at least a not-so-severe one, it is, in fact, alive and kicking and arguably worse than ever before. Relay attacks are the easiest way to compromise domain-joined hosts nowadays, paving a path for…

Microsoft’s April 2025 Patch Tuesday Addresses 121 CVEs (CVE-2025-29824)

11Critical 110Important 0Moderate 0Low Microsoft addresses 121 CVEs including one zero-day which was exploited in the wild. Microsoft patched 121 CVEs in its April 2025 Patch Tuesday release, with 11 rated critical and 110 rated as important. This month’s update includes patches for: ASP.NET Core Active Directory Domain Services Azure Local Azure Local Cluster Azure…

Amazon EC2 SSM Agent Flaw Patched After Privilege Escalation via Path Traversal

Cybersecurity researchers have disclosed details of a now-patched security flaw in the Amazon EC2 Simple Systems Manager (SSM) Agent that, if successfully exploited, could permit an attacker to achieve privilege escalation and code execution. The vulnerability could permit an attacker to create directories in unintended locations on the filesystem, execute arbitrary scripts with root privileges,

When Good Tools Go Bad: Dual-Use in Cybersecurity

In the ever-evolving world of cybersecurity, certain tools and techniques possess a fascinating duality. They’re designed to protect our digital lives, yet they can also be wielded by malicious actors to carry out cyberattacks. These are known as “dual-use” techniques and understanding them is crucial for anyone involved in cybersecurity. What Exactly Are Dual-Use Techniques?…

Chinese ToddyCat abuses ESET antivirus bug for malicious activities

China-backed APT group ToddyCat has been found exploiting a medium-severity vulnerability in ESET antivirus software to sneak malicious code onto vulnerable systems. Tracked as CVE-2024-11859, the flaw is a dynamic link library (DLL) search order hijacking vulnerability discovered and reported by Kaspersky last year, with a fix issued by ESET in January. “On systems with…

Arguing Against CALEA

At a Congressional hearing earlier this week, Matt Blaze made the point that CALEA, the 1994 law that forces telecoms to make phone calls wiretappable, is outdated in today’s threat environment and should be rethought: In other words, while the legally-mandated CALEA capability requirements have changed little over the last three decades, the infrastructure that…

CISA Adds CrushFTP Vulnerability to KEV Catalog Following Confirmed Active Exploitation

A recently disclosed critical security flaw impacting CrushFTP has been added by the U.S. Cybersecurity and Infrastructure Security Agency (CISA) to its Known Exploited Vulnerabilities (KEV) catalog after reports emerged of active exploitation in the wild. The vulnerability is a case of authentication bypass that could permit an unauthenticated attacker to take over susceptible instances.…

Google Releases Android Update to Patch Two Actively Exploited Vulnerabilities

Google has shipped patches for 62 vulnerabilities, two of which it said have been exploited in the wild. The two high-severity vulnerabilities are listed below – CVE-2024-53150 (CVSS score: 7.8) – An out-of-bounds flaw in the USB sub-component of Kernel that could result in information disclosure CVE-2024-53197 (CVSS score: 7.8) – A privilege escalation flaw…

External Attack Surface Management (EASM): Mit diesen vier Schritten minimieren Sie das Cyberrisiko

IT-Security-Verantwortliche sollten die Angriffsfläche permanent analysieren und schützen. Dazu müssen sie stets im Blick haben, welche Assets über das Internet erreichbar sind. Foto: NicoElNino – shutterstock.com Von IoT-Devices über Cloud-basierte Infrastrukturen, Web-Applikationen und Firewalls bis hin zu VPN-Gateways: Die Anzahl unternehmenseigener Assets, die mit dem Internet verbunden sind, steigt exponentiell an. Sie ermöglichen beispielsweise den…

Google addresses 2 actively exploited vulnerabilities in security update

Google addressed 62 vulnerabilities affecting Android devices in its April security update, including a pair of actively exploited software defects that were first disclosed in December. Google said the two vulnerabilities — CVE-2024-53197 and CVE-2024-53150 — “may be under limited, targeted exploitation.” The pair of flaws under active exploitation are high-severity and affect the Linux…

Oracle’s Breach Exposes Credentials Despite Denials

Oracle has acknowledged to customers that hackers recently breached a dormant “legacy” system and stole outdated login credentials. According to Bloomberg, the compromised environment hasn’t been active for eight years, and the stolen credentials are no longer current. Oracle was quick to assure clients that the compromised data was outdated and non-sensitive, but evidence suggests…

Google announces Sec-Gemini v1, a new experimental cybersecurity model

Posted by Elie Burzstein and Marianna Tishchenko, Sec-Gemini team Today, we’re announcing Sec-Gemini v1, a new experimental AI model focused on advancing cybersecurity AI frontiers.  As outlined a year ago, defenders face the daunting task of securing against all cyber threats, while attackers need to successfully find and exploit only a single vulnerability. This fundamental…

Google announces Sec-Gemini v1, a new experimental cybersecurity model

Posted by Elie Burzstein and Marianna Tishchenko, Sec-Gemini team Today, we’re announcing Sec-Gemini v1, a new experimental AI model focused on advancing cybersecurity AI frontiers.  As outlined a year ago, defenders face the daunting task of securing against all cyber threats, while attackers need to successfully find and exploit only a single vulnerability. This fundamental…

Ivanti warns customers of new critical flaw exploited in the wild

Ivanti is warning customers that a critical vulnerability that impacts its VPN appliances and other products has already been exploited in the wild by a Chinese APT group. The flaw was originally flagged by Ivanti as a denial-of-service issue, but attackers figured out how to exploit it for remote code execution. The vulnerability, now tracked…

Big hole in big data: Critical deserialization bug in Apache Parquet allows RCE

A flaw in code for handling Parquet, Apache’s open-source columnar data file format, allows attackers to run arbitrary code on vulnerable instances. The vulnerability, tracked as CVE-2025-30065, is a deserialization issue (CWE-502) in Parquet’s Java library that allows execution of maliciously crafted Parquet files. “This vulnerability can impact data pipelines and analytics systems that import…

AI programming copilots are worsening code security and leaking more secrets

AI coding assistants are among the early success stories of the generative AI revolution in business. Increasingly adopted, programming copilots are making inroads into development processes, enhancing developers’ productivity and helping stand up rudimentary projects quickly. But they’re also a security issue, and the anticipated volume of code they will soon be producing is a…

Critical Ivanti Flaw Actively Exploited to Deploy TRAILBLAZE and BRUSHFIRE Malware

Ivanti has disclosed details of a now-patched critical security vulnerability impacting its Connect Secure that has come under active exploitation in the wild. The vulnerability, tracked as CVE-2025-22457 (CVSS score: 9.0), concerns a case of a stack-based buffer overflow that could be exploited to execute arbitrary code on affected systems. “A stack-based buffer overflow in…

Critical Flaw in Apache Parquet Allows Remote Attackers to Execute Arbitrary Code

A maximum severity security vulnerability has been disclosed in Apache Parquet’s Java Library that, if successfully exploited, could allow a remote attacker to execute arbitrary code on susceptible instances. Apache Parquet is a free and open-source columnar data file format that’s designed for efficient data processing and retrieval, providing support for complex data, high-performance

Surge in threat actors scanning Juniper, Cisco, and Palo Alto Networks devices

A surge in internet probes targeting devices from Juniper Networks, Cisco Systems, and Palo Alto Networks should put their admins on alert, say security experts. A threat actor is probing the internet using default credentials for a Juniper Networks router, prompting a cybersecurity expert to warn network admins to change the login combo from the…

China-backed espionage group hits Ivanti customers again

Ivanti customers are confronting another string of attacks linked to an actively exploited vulnerability in the company’s VPN products. Mandiant said a nation-state backed espionage group linked to China has been exploiting the critical vulnerability, CVE-2025-22457, since mid-March. The threat group, which Google Threat Intelligence Group tracks as UNC5221, has a knack for exploiting Ivanti…