Vulnerability in Fortinet Antivirus Engine
CVE-2020-9295
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.
EPSS: 0.003 (22.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N.
Affected products
- Fortinet Antivirus_engine
- Fortinet Forticlient
- Fortinet Forticlientwindows — versions 6.2.0, 6.0.0
- Fortinet Fortios
Weakness classification (CWE)
References
- psirt@fortinet.com (Vendor Advisory)
Frequently asked questions
- What is CVE-2020-9295?
- CVE-2020-9295 is a medium-severity vulnerability in Fortinet Antivirus Engine, classified under CWE-358. CVSS score: 4.7/10. Published 2025-03-17.
- How severe is CVE-2020-9295?
- Medium severity. CVSS v3 base score is 4.7 out of 10.