Fortinet FortiOS Vulnerabilities Allow Unauthorized Code Execution

CVE-2024-21762

9.8CRITICAL

Key Information

Vendor: Fortinet
Status: FortiProxy; FortiOS
Vendor: CVE Published:; 9 February 2024

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Summary

CVE-2024-21762 is a critical vulnerability in Fortinet FortiOS, allowing attackers to execute unauthorized code or commands through specifically crafted requests. This vulnerability affects various versions of Fortinet FortiOS and FortiProxy, and is actively being exploited by ransomware groups. Fortinet has recommended disabling SSL VPN web portals and implementing security measures to mitigate the impact of this vulnerability. The severity of this flaw highlights the importance of timely updates and security protocols for Fortinet product users to protect against potential exploits.

CISA Reported

CISA provides regional cyber and physical services to support security and resilience across the United States. CISA monitor the most dangerious vulnerabilities and have identifed CVE-2024-21762 as being exploited but is not known by the CISA to be used in ransomware campaigns. This is subject to change at pace as recent news articles suggest the vulnerability is being used by ransomware groups.

The CISA's recommendation is: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Affected Version(s)

FortiProxy <= 7.4.2

FortiProxy <= 7.2.8

FortiProxy <= 7.0.14

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2024-21762
Created by h4x0r-dz

cve-2024-21762-check
Created by BishopFox

CVE-2024-21762-Exploit-PoC-Fortinet-SSL-VPN-Check
Created by r4p3c4