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TI-2020-07434 Aliases CVE-2020-9295GHSA-mf6m-3qv8-qp4q

FortiOS 6.2 running AV engine version 6.00142 and below, FortiOS 6.4 running AV engine…

Priority LOW 33CWE-358Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

FortiOS 6.2 running AV engine version 6.00142 and below, FortiOS 6.4 running AV engine version 6.00144 and below and FortiClient 6.2 running AV engine version 6.00137 and below may not immediately detect certain types of malformed or non-standard RAR archives, potentially containing malicious files. Based on the samples provided, FortiClient will detect the malicious files upon trying extraction by real-time scanning and FortiGate will detect the malicious archive if Virus Outbreak Prevention is enabled.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00318 24th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
FortinetFortiClientWindows6.2.0 – 6.2.6; 6.0.0 – 6.0.10—No fix listedCNA
  • FortiClientWindows VendorFortinet Affected 6.2.0 – 6.2.6; 6.0.0 – 6.0.10 Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:fortinet:antivirus_engine:*:*:*:*:*:*:*:*before 6.00145VulnerableFortinet
cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*6.2.0 – 6.4.16Running onFortinet
cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:windows:*:*6.0.0 – 6.2.6Running onFortinet
  • cpe:2.3:a:fortinet:antivirus_engine:*:*:*:*:*:*:*:* Versions before 6.00145 Vulnerable ·Fortinet
  • cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:* Versions 6.2.0 – 6.4.16 Running on ·Fortinet
  • cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:windows:*:* Versions 6.0.0 – 6.2.6 Running on ·Fortinet

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-9295
  2. 2026-10-03 Alias added: GHSA-mf6m-3qv8-qp4q

References

  • TI-2022-09586 Insufficient verification of data authenticity in Fortinet AV Engine, FortiMail, FortiOS… CVSS 3.1HIGH 8.6

Sources