CVE-2022-26122

CVSS 4.7 MEDIUMEPSS 0.4%

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 4.7EPSS 0.4%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

02 Nov 2022Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

An insufficient verification of data authenticity vulnerability [CWE-345] in FortiClient, FortiMail and FortiOS AV engines version 6.2.168 and below and version 6.4.274 and below may allow an attacker to bypass the AV engine via manipulating MIME attachment with junk and pad characters in base64.

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

Affected products

Fortinet · Fortinet AV Engine, FortiMail, FortiOS, FortiClient

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References

https://fortiguard.com/psirt/FG-IR-22-074