CVE-2022-41328 Fortinet FortiOS Path Traversal Vulnerability
Fortinet FortiOS contains a path traversal vulnerability that may allow a local privileged attacker to read and write files via crafted CLI commands.
From the CISA KEV catalogue version 2026.11.06, with Cybergen analysis. Updated 6 Nov 2026.
Should You Worry?
- CISA confirmed exploitation in the wild and added it to the Known Exploited Vulnerabilities catalogue on 14 Mar 2023.
- Rated Medium severity (CVSS 6.5, scored by Vendor).
- This product type is often exposed to the internet, which is where attackers scan for it first.
- It has been in the catalogue for 1,333 days. Systems still unpatched now have almost certainly been scanned for it.
What It Is
A improper limitation of a pathname to a restricted directory vulnerability ('path traversal') [CWE-22] in Fortinet FortiOS version 7.2.0 through 7.2.3, 7.0.0 through 7.0.9 and before 6.4.11 allows a privileged attacker to read and write files on the underlying Linux system via crafted CLI commands.
Affected Versions
| Product | Versions |
|---|---|
| Fortinet FortiOS | 7.2.0 to 7.2.3 7.0.0 to 7.0.9 6.4.0 to 6.4.11 6.2.0 to 6.2.13 6.0.0 to 6.0.16 |
From the public CVE record, as supplied by the vendor. Always confirm against the vendor advisory.
What To Do Now
- 1
Find it
Search your asset inventory and external attack surface for Fortinet FortiOS. Include cloud images, appliances and anything a supplier runs for you.
Attack Surface Management - 2
- 3
Hunt for compromise
If an affected system was reachable before you patched, assume it may have been hit. Check logs, new accounts, web shells and outbound connections from the date of exposure.
Incident Response - 4
Prove it is fixed
Rescan or test the system after patching. Upgrades that fail silently and forgotten secondary instances are common.
Penetration Testing
The Compliance Clock
General guidance, not legal advice. Your obligations depend on your sector, scope and jurisdiction.
Not Sure If You Are Exposed?
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