CVE-2020-9295
CVE-2020-9295 is a medium-severity vulnerability in Fortinet Antivirus Engine with a CVSS 3.x base score of 4.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-358.
Key facts
- Severity: Medium (CVSS 3.x base score 4.7)
- EPSS exploit prediction: 0% (22nd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2020-30121
- Weakness: CWE-358
- Affected product: Fortinet Antivirus Engine
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2020-9295?
- CVE-2020-9295 has a CVSS 3.x base score of 4.7, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
- Is CVE-2020-9295 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-9295?
- CVE-2020-9295 affects Fortinet Antivirus Engine. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-9295?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2020-9295 have an EU (EUVD) identifier?
- Yes. CVE-2020-9295 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2020-30121.
- When was CVE-2020-9295 published?
- CVE-2020-9295 was published on 2025-03-17 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:fortinet:antivirus_engine:*:*:*:*:*:*:*:*
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