Vulnerability record

CVE-2024-21762

Fortinet FortiOS Out-of-Bound Write Vulnerability

Severity: CriticalExploitation: Exploitation confirmedCISA KEV Used by ransomware
What should I do?

This vulnerability is in the CISA Known Exploited Vulnerabilities catalog: attackers are using it. If you run FortiGate / FortiOS, fix it now.

CISA required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

US federal civilian agencies must remediate by Feb 16, 2024.

Patch status

No official fix confirmed yet

Until a fix ships, follow the vendor's mitigations and CISA's required action, limit exposure of affected systems, and watch this record for a patch.

Description

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

Source: NIST National Vulnerability Database. Official vulnerability data, reproduced as published.

Affected products

Products affected by this vulnerability, with versions and the source of each entry
ProductVendorAffected versionsFixed inSource
FortiGate / FortiOSFortinet>= 1.0.0, < 2.0.14; >= 7.0.0, < 7.0.15; >= 7.2.0, < 7.2.9; >= 7.4.0, < 7.4.3; >= 6.0.0, < 6.0.18; >= 6.2.0, < 6.2.162.0.14; 7.0.15; 7.2.9; 7.4.3; 6.0.18; 6.2.16KEV

Sources: KEV = CISA Known Exploited Vulnerabilities catalog.

Intelligence timeline

Developments from the last 30 days, newest first.

  1. CVSS scoredUpdateKEV

    CVE-2024-21762 scored CVSS 9.8: Fortinet FortiOS, Fortinet FortiOS Out-of-Bound Write Vulnerability

    CISA lists this as exploited in the wild and known to be used in ransomware campaigns. Unpatched FortiOS systems are exposed to active attacks now.

    Basis: NIST National Vulnerability Database

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Coverage

We have not published a story about this vulnerability yet.

References