CVE-2021-36173

CVSS 8 HIGHEPSS 1.4%

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 8EPSS 1.4%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

08 Dec 2021Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

A heap-based buffer overflow in the firmware signature verification function of FortiOS versions 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 may allow an attacker to execute arbitrary code via specially crafted installation images.

CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:W/RC:C

Affected products

Fortinet · Fortinet FortiOS

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References

https://fortiguard.com/advisory/FG-IR-21-115