CVE-2022-26122

Published Nov 2, 2022 CVSS 3.1 · 4.7 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2022-30689 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.
References
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
fortinet
Published
Updated
Oct 22, 2024, 8:53 PM
Reserved
Feb 25, 2022, 12:00 AM
Status
Modified
Published
Nov 2, 2022, 12:15 PM
Modified
Jun 17, 2026, 4:34 AM