Fortinet
Over 10K Fortinet firewalls exposed to actively exploited 2FA bypass
Over 10,000 Fortinet firewalls are still exposed online and vulnerable to ongoing attacks exploiting a five-year-old critical two-factor authentication (2FA) bypass vulnerability. Fortinet released FortiOS versions 6.4.1, 6.2.4, and 6.0.10 in July 2020 to address this flaw (tracked as CVE-2020-12812) and advised admins who couldn’t immediately patch to turn off username-case-sensitivity to block 2FA bypass attempts […]
Fortinet warns of 5-year-old FortiOS 2FA bypass still exploited in attacks
Fortinet has warned customers that threat actors are still actively exploiting a critical FortiOS vulnerability that allows them to bypass two-factor authentication (2FA) when targeting vulnerable FortiGate firewalls. Tracked as CVE-2020-12812, this improper authentication security flaw was found in FortiGate SSL VPN and enables attackers to log in to unpatched firewalls without being prompted for the […]
Over 25,000 FortiCloud SSO devices exposed to remote attacks
Internet security watchdog Shadowserver has found over 25,000 Fortinet devices exposed online with FortiCloud SSO enabled, amid ongoing attacks targeting a critical authentication bypass vulnerability. Fortinet noted on December 9th, when it patched the security flaw tracked as CVE-2025-59718 (FortiOS, FortiProxy, FortiSwitchManager) and CVE-2025-59719 (FortiWeb), that the vulnerable FortiCloud SSO login feature is not enabled until admins […]
Hackers exploit newly patched Fortinet auth bypass flaws
Hackers are exploiting critical-severity vulnerabilities affecting multiple Fortinet products to get unauthorized access to admin accounts and steal system configuration files. The two vulnerabilities are tracked as CVE-2025-59718 and CVE-2025-59719, and Fortinet warned in an advisory on December 9 about the potential for exploitation. CVE-2025-59718 is a FortiCloud SSO authentication bypass affecting FortiOS, FortiProxy, and FortiSwitchManager. It is […]
Fortinet warns of critical FortiCloud SSO login auth bypass flaws
Fortinet has released security updates to address two critical vulnerabilities in FortiOS, FortiWeb, FortiProxy, and FortiSwitchManager that could allow attackers to bypass FortiCloud SSO authentication. Threat actors can exploit the two security flaws tracked as CVE-2025-59718 (FortiOS, FortiProxy, FortiSwitchManager) and CVE-2025-59719 (FortiWeb) by abusing improper verification of cryptographic signature weaknesses in vulnerable products via a […]
CISA gives govt agencies 7 days to patch new Fortinet flaw
CISA has ordered U.S. government agencies to secure their systems within a week against another vulnerability in Fortinet’s FortiWeb web application firewall, which was exploited in zero-day attacks. Tracked as CVE-2025-58034, this OS command injection flaw can allow authenticated threat actors to execute code as root in low-complexity attacks that don’t require user interaction. “An Improper […]
Fortinet warns of new FortiWeb zero-day exploited in attacks
Today, Fortinet released security updates to patch a new FortiWeb zero-day vulnerability that threat actors are actively exploiting in attacks. Tracked as CVE-2025-58034, this web application firewall security flaw was reported by Jason McFadyen of Trend Micro’s Trend Research team. Authenticated threat actors can gain code execution by successfully exploiting this OS command injection vulnerability in […]
Fortinet confirms silent patch for FortiWeb zero-day exploited in attacks
Fortinet has confirmed that it has silently patched a critical zero-day vulnerability in its FortiWeb web application firewall, which is now “massively exploited in the wild.” The flaw was silently patched after reports that unauthenticated attackers were exploiting an unknown FortiWeb path traversal flaw in early October to create new administrative users on Internet-exposed devices. The attacks were first […]
Fortinet FortiWeb flaw with public PoC exploited to create admin users
A Fortinet FortiWeb path traversal vulnerability is being actively exploited to create new administrative users on exposed devices without requiring authentication. The issue is fixed in FortiWeb 8.0.2, and admins are urged to update as soon as possible and check for signs of unauthorized access The exploitation was first spotted by threat intelligence company Defused […]
Researcher to release exploit for full auth bypass on FortiWeb
A security researcher has released a partial proof of concept exploit for a vulnerability in the FortiWeb web application firewall that allows a remote attacker to bypass authentication. The flaw was reported responsibly to Fortinet and is now tracked as CVE-2025-52970. Fortinet released a fix on August 12. Security researcher Aviv Y named the vulnerability FortMajeure and describes it as […]