Fortinet FortiOS Out-of-Bound Write Vulnerability (CVE-2024-21762)
Severity: critical · Patch status: unknown · Since 2024-02-09 · CVE-2024-21762
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 added CVE-2024-21762 to its Known Exploited Vulnerabilities catalog on Feb 9, 2024, which means attackers are exploiting it in the wild. CISA reports known use in ransomware campaigns.
What to do
- Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- US federal agencies must remediate by Feb 16, 2024 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch
