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Category: Fortinet

Critical Fortinet FortiClientEMS flaw allows remote code execution

Fortinet warns of a critical FortiClientEMS vulnerability that lets remote attackers run malicious code without logging in. Fortinet issued an urgent advisory to address a critical FortiClientEMS vulnerability, tracked as CVE-2026-21643 (CVSS score of 9.1). The vulnerability is an improper neutralization of special elements used in an SQL Command (‘SQL Injection’) issue in FortiClientEMS. An…

Critical Fortinet FortiClientEMS flaw allows remote code execution

Fortinet warns of a critical FortiClientEMS vulnerability that lets remote attackers run malicious code without logging in. Fortinet issued an urgent advisory to address a critical FortiClientEMS vulnerability, tracked as CVE-2026-21643 (CVSS score of 9.1). The vulnerability is an improper neutralization of special elements used in an SQL Command (‘SQL Injection’) issue in FortiClientEMS. An…

Critical Fortinet FortiClientEMS flaw allows remote code execution

Fortinet warns of a critical FortiClientEMS vulnerability that lets remote attackers run malicious code without logging in. Fortinet issued an urgent advisory to address a critical FortiClientEMS vulnerability, tracked as CVE-2026-21643 (CVSS score of 9.1). The vulnerability is an improper neutralization of special elements used in an SQL Command (‘SQL Injection’) issue in FortiClientEMS. An…

Critical Fortinet FortiClientEMS flaw allows remote code execution

Fortinet warns of a critical FortiClientEMS vulnerability that lets remote attackers run malicious code without logging in. Fortinet issued an urgent advisory to address a critical FortiClientEMS vulnerability, tracked as CVE-2026-21643 (CVSS score of 9.1). The vulnerability is an improper neutralization of special elements used in an SQL Command (‘SQL Injection’) issue in FortiClientEMS. An…

U.S. CISA adds a flaw in multiple Fortinet products to its Known Exploited Vulnerabilities catalog

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds a flaw in multiple Fortinet products to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added a Broadcom VMware vCenter Server vulnerability, tracked as CVE-2026-24858 (CVSS score of 9.4), to its Known Exploited Vulnerabilities (KEV) catalog. This week, Fortinet started rolling out patches for…

Fortinet patches actively exploited FortiOS SSO auth bypass (CVE-2026-24858)

Fortinet released fixes for a critical FortiOS SSO auth bypass (CVE-2026-24858) actively exploited, impacting FortiOS, FortiManager, and FortiAnalyzer. Fortinet started rolling out patches for a critical FortiOS flaw under active attack. The bug, CVE-2026-24858 (CVSS score of 9.4), lets attackers bypass authentication via SSO. It affects FortiOS, FortiManager, and FortiAnalyzer, while Fortinet checks if other…

Fortinet warns of active FortiCloud SSO bypass affecting updated devices

Fortinet confirmed attacks are bypassing FortiCloud SSO authentication, affecting even fully patched devices, similar to recent SSO flaws. Fortinet confirmed attacks bypass FortiCloud SSO on fully patched devices. Threat actors automate firewall changes, add users, enable VPNs, and steal configs, in campaigns resembling December 2025 exploits of critical FortiCloud SSO flaws. Arctic Wolf researchers reported…

Arctic Wolf detects surge in automated Fortinet FortiGate firewall configuration attacks

Arctic Wolf warned of a new wave of automated attacks making unauthorized firewall configuration changes on Fortinet FortiGate devices. Arctic Wolf researchers reported a new automated attack cluster observed since January 15, 2026, targeting FortiGate devices. Attackers created generic accounts for persistence, enabled VPN access, and exfiltrated firewall configurations. The activity resembles a December 2025…

Five-year-old Fortinet FortiOS SSL VPN vulnerability actively exploited

Fortinet reported active exploitation of a five-year-old FortiOS SSL VPN flaw, abused in the wild under specific configurations. Fortinet researchers observed “recent abuse” of a five-year-old security vulnerability, tracked as CVE-2020-12812 (CVSS score: 5.2), in FortiOS SSL VPN. The vulnerability is exploited in attacks in the wild under certain configurations. CVE-2020-12812 is an improper authentication flaw…

Fortinet fixed two critical authentication-bypass vulnerabilities

Fortinet patched 18 flaws, including two authentication-bypass bugs affecting FortiOS, FortiWeb, FortiProxy, and FortiSwitchManager with FortiCloud SSO enabled. Fortinet addressed 18 vulnerabilities, including two authentication-bypass flaws, tracked as CVE-2025-59718 and CVE-2025-59719 (CVSS score of 9.1), affecting FortiOS, FortiWeb, FortiProxy, and FortiSwitchManager when FortiCloud SSO is enabled. Both vulnerabilities are improper verification of cryptographic signature issues.…

New FortiWeb zero-day CVE-2025-58034 under attack patched by Fortinet

Fortinet patched a new FortiWeb zero-day, tracked as CVE-2025-58034, which attackers are actively exploiting. Fortinet patched a new FortiWeb zero-day, tracked as CVE-2025-58034 (CVSS score 6.7), which is being actively exploited in attacks in the wild. Trend Micro researcher Jason McFadyen reported the vulnerability. The flaw is an improper neutralization of special elements used in…

SonicWall customers confront resurgence of actively exploited vulnerabilities

Vulnerabilities are proliferating in SonicWall devices and software this year, putting the vendor’s customers at risk of intrusion via secure access gateways and firewalls. The year started off on a sour note for the California-based company when it released security advisories for nine vulnerabilities on Jan. 7. The total number of vulnerabilities publicly disclosed by…

Attackers hit security device defects hard in 2024

Attackers are having a field day with software defects in security devices, according to a new report released Wednesday by Mandiant  Exploits were the most common initial infection vector, representing 1 of every 3 attacks in 2024, and the four most frequently exploited vulnerabilities were all contained in edge devices, such as VPNs, firewalls and…

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…

Independent tests show why orgs should use third-party cloud security services

Businesses don’t always get what they pay for in cybersecurity. Some of the most expensive cloud network firewall vendors are among the worst performers against exploits and evasions, according to the most comprehensive, independent testing CyberRatings.org has conducted to date. Cisco, by far the most expensive cloud network firewall offering across the top 10 vendors…

Edge device vulnerabilities fueled attack sprees in 2024

Edge devices harboring zero-day and n-day vulnerabilities were linked to the most consequential attack campaigns last year, Darktrace said in an annual threat report released Wednesday. Darktrace’s threat researchers found the most frequent vulnerability exploits in customers’ instances of Ivanti Connect Secure and Ivanti Policy Secure appliances, along with firewall products from Fortinet and Palo…