Vulnerability · Published Nov 2, 2022 · Assigned by fortinet

CVE-2022-26122

Medium 4.7

In plain English

A medium-severity security flaw in Fortinet AV Engine, FortiMail, FortiOS, FortiClient from Fortinet. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 51% of all known vulnerabilities).

Severity (CVSS 3.1)4.7Medium
Exploit odds (30 days)0.6%top 49.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

VendorProductVersions
Fortinet Fortinet AV Engine, FortiMail, FortiOS, FortiClient AV Engine version 6.2.168 and below and version 6.4.274 and below.

References