CVE-2022-26122 — MEDIUM (4.7)

Q: How severe is CVE-2022-26122?

CVE-2022-26122 has been rated MEDIUM with a CVSS base score of 4.7/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2022-26122?

Check the references section above for vendor advisories and patch information. Affected products include: Fortinet Antivirus Engine, Fortinet Fortimail, Fortinet Fortios.

Vulnerability 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.

CVSS Score

4.7

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

NONE

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Fortinet	Antivirus Engine	0.4.23
Fortinet	Fortimail	>= 6.0.0, <= 6.0.12
Fortinet	Fortios	>= 6.0.0, <= 6.0.15

Related Weaknesses (CWE)

CWE-345

References

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

FAQ

What is CVE-2022-26122?

CVE-2022-26122 is a vulnerability with a CVSS score of 4.7 (MEDIUM). 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...

How severe is CVE-2022-26122?

CVE-2022-26122 has been rated MEDIUM with a CVSS base score of 4.7/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2022-26122?

Check the references section above for vendor advisories and patch information. Affected products include: Fortinet Antivirus Engine, Fortinet Fortimail, Fortinet Fortios.