CVE-2020-9295
highpriority · track · 30EPSS 0.003 · 25 %ileEURUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 4.7–8.3
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (4)
Products and version ranges known to be affected.
also known as (5)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (7)
External citations — patches, advisories, analysis.
- https://access.redhat.com/security/cve/cve-2020-9295cnnvd
- https://fortiguard.com/psirt/FG-IR-20-037cnnvd
- https://vigilance.fr/vulnerability/FortiClient-FortiOS-privilege-escalation-via-RAR-AV-Engine-Evasion-34018cnnvd
- https://www.auscert.org.au/bulletins/ESB-2020.4271/cnnvd
- https://www.fortiguard.com/psirt/FG-IR-20-037Patchcnnvd
- https://fortiguard.com/psirt/FG-IR-20-037enisa_euvd
- https://fortiguard.com/psirt/FG-IR-20-037Vendor Advisorynvd
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