Actively exploited vulnerability

CVE-2024-21762: Fortinet FortiOS Out-of-Bound Write Vulnerability

Fortinet FortiOS contains an out-of-bound write vulnerability that allows a remote unauthenticated attacker to execute code or commands via specially crafted HTTP requests.

CISA KEV source 9 Feb 2024 added 16 Feb 2024 remediation due

Affected product

Fortinet ยท FortiOS

Known ransomware use: Known

Required action

Follow the source advisory and validate exposure in your environment.

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Related Yasna coverage

Recent reporting that mentions CVE-2024-21762.

Bleeping Computer9 Mar 2024

Critical Fortinet flaw may impact 150,000 exposed devices

Scans on the public web show that approximately 150,000 Fortinet FortiOS and FortiProxy secure web gateway systems are vulnerable to CVE-2024-21762, a critical security issue that allows executing code without authentication. [...]