CVE-2022-26122

HighCVSS 8.6/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 8.6/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N

Weakness enumeration

CWE-345

Affected software

No affected versions have been published.

Timeline

Published: Nov 2, 2022
Last modified: Jun 17, 2026
NVD status: Modified

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