CVE-2020-9295
Fortinet FortiOS and FortiClient RAR Archive Detection Vulnerability
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.
INFO
Published Date :
March 17, 2025, 2:15 p.m.
Last Modified :
Aug. 14, 2025, 9:11 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2020-9295
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update AV engine on FortiOS and FortiClient.
- Ensure Virus Outbreak Prevention is enabled on FortiGate.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2020-9295.
| URL | Resource |
|---|---|
| https://fortiguard.com/psirt/FG-IR-20-037 | Vendor Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-9295 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2020-9295
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-9295 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-9295 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Aug. 14, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Added CPE Configuration AND OR *cpe:2.3:a:fortinet:antivirus_engine:*:*:*:*:*:*:*:* versions up to (excluding) 6.00145 OR cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:* versions from (including) 6.2.0 up to (including) 6.4.16 Added CPE Configuration AND OR *cpe:2.3:a:fortinet:antivirus_engine:*:*:*:*:*:*:*:* versions up to (excluding) 6.00145 OR cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:windows:*:* versions from (including) 6.0.0 up to (including) 6.2.6 Added Reference Type Fortinet, Inc.: https://fortiguard.com/psirt/FG-IR-20-037 Types: Vendor Advisory -
New CVE Received by [email protected]
Mar. 17, 2025
Action Type Old Value New Value Added 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. Added CVSS V3.1 AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N Added CWE CWE-358 Added Reference https://fortiguard.com/psirt/FG-IR-20-037