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Vulnerability DatabaseCVE-2021-36173
CVE-2021-36173:
FortiOS vulnerability analysis and mitigation
Overview
A heap-based buffer overflow vulnerability was discovered in FortiOS, identified as CVE-2021-36173. The vulnerability affects multiple versions of FortiOS including 7.0.1, 7.0.0, 6.4.0 through 6.4.6, 6.2.0 through 6.2.9, and 6.0.0 through 6.0.13. The vulnerability was disclosed on December 7, 2021, and resides in the firmware signature verification function (NVD, FortiGuard).
Technical details
The vulnerability is classified as a heap-based buffer overflow in the firmware signature verification function. It has been assigned a CVSS v3 score of 7.3, categorizing it as a high-severity vulnerability (FortiGuard).
Impact
If successfully exploited, this vulnerability could allow an attacker to execute arbitrary code on the affected system through specially crafted installation images (MITRE).
Additional resources
Source: This report was generated using AI
Related FortiOS vulnerabilities:
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