Latest Fortinet SSL VPN Vulnerability Exploited in Attacks: RCE Risk Identified

cyber security Feb 8, 2024

Alert! Fortinet rings the alarm bells as a critical vulnerability brews in FortiOS SSL VPN, threatening to scorch the cybersecurity landscape.

Version Affected Solution
FortiOS 7.6 Not affected Not Applicable
FortiOS 7.4 7.4.0 through 7.4.2 Upgrade to 7.4.3 or above
FortiOS 7.2 7.2.0 through 7.2.6 Upgrade to 7.2.7 or above
FortiOS 7.0 7.0.0 through 7.0.13 Upgrade to 7.0.14 or above
FortiOS 6.4 6.4.0 through 6.4.14 Upgrade to 6.4.15 or above
FortiOS 6.2 6.2.0 through 6.2.15 Upgrade to 6.2.16 or above
FortiOS 6.0 6.0 all versions Migrate to a fixed release

This vulnerability, tagged as CVE-2024-21762 / FG-IR-24-015, carries an explosive 9.6 severity rating, akin to a high-octane espresso shot fueling cyber assailants' ambitions. It's a brewing storm, an out-of-bounds write vulnerability inviting malicious actors to wield remote code execution (RCE) with ruthless efficiency.

Fortinet's solution? Swift action. Upgrade to the latest version, fortifying defenses like fortifying a fortress against invaders. For those lagging behind, a temporary shield: disable SSL VPN on FortiOS devices. It's a crucial line of defense until the full armor of patches can be applied.

But that's not all. Fortinet's disclosure spills over with revelations of CVE-2024-23113 (Critical/9.8 rating), CVE-2023-44487 (Medium), and CVE-2023-47537 (Medium), painting a grim picture of a battlefield strewn with vulnerabilities. Source: https://www.fortiguard.com/psirt

Enter the adversaries – Chinese state-sponsored threat actors, Volt Typhoon. Their weapon of choice? COATHANGER, a custom remote access trojan (RAT) unleashed through FortiOS vulnerabilities, with recent victims including the Dutch Ministry of Defence.

In this digital warzone, every second counts. Update your defenses now, for the cyber storm is upon us, and the consequences of inaction are dire. Fortinet's message is clear: Act fast, fortify your defenses, and let's fend off the onslaught of cyber threats together. The battlefield awaits.


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