Actively exploited in the wild
Fortinet FortiOS Out-of-Bound Write Vulnerability
Fortinet - FortiOS · Listed in the CISA KEV since 2024-02-09. This indicates confirmed attacks in production environments.
Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
CVE-2024-21762
CriticalCVSS 9.8KEVExploitation Probability (EPSS)
Very high risk100th percentile - higher than 100% of all known CVEs
Summary
An out-of-bounds write in Fortinet FortiOS and FortiProxy allows an attacker to execute unauthorized code or commands via specifically crafted requests. Affects multiple versions of FortiOS and FortiProxy.
Risk Assessment
An attacker can remotely execute code on firewall devices, potentially leading to full network compromise.
Recommendation
Update FortiOS and FortiProxy to patched versions and restrict access to management interfaces.
Original NVD description (English source)
A out-of-bounds write in Fortinet FortiOS versions 7.4.0 through 7.4.2, 7.2.0 through 7.2.6, 7.0.0 through 7.0.13, 6.4.0 through 6.4.14, 6.2.0 through 6.2.15, 6.0.0 through 6.0.17, FortiProxy versions 7.4.0 through 7.4.2, 7.2.0 through 7.2.8, 7.0.0 through 7.0.14, 2.0.0 through 2.0.13, 1.2.0 through 1.2.13, 1.1.0 through 1.1.6, 1.0.0 through 1.0.7 allows attacker to execute unauthorized code or commands via specifically crafted requests