CVE-2022-42475
Actively exploited. CVE-2022-42475 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-12-13) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.
Public exploit code is available. Proof-of-concept or working exploit code for CVE-2022-42475 is indexed in GitHub PoC. Expect opportunistic scanning and exploitation attempts — prioritize remediation.
Fortinet published a blog post on April 10, 2025, indicating the use of a post-exploitation technique that allows for a breach of data confidentiality across the entire system of affected Fortigate devices. This technique relies on the use of a link...
CSIRTS triage
- What
- A post-exploitation technique allows for a breach of data confidentiality.
- Who is affected
- Users of affected FortiGate devices.
- Urgency
- Remediation is urgent as exploitation is confirmed.
- Action
- Follow Fortinet's guidance to secure affected devices.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 100% of all EPSS-scored CVEs.
Exploit availability
Public exploit or proof-of-concept code for CVE-2022-42475 is indexed in these free datasets. Available exploit code raises real-world risk independent of the CVSS score.
- GitHub PoCPublic proof-of-concept repositories on GitHub reference this CVE.look it up ↗
Advisory coverage (2)
- unknownPost-exploitation activities in Fortinet FortiGate (April 11, 2025)cert-fr-alerte · 2025-04-11
- criticalexploitedCVE-2022-42475: Fortinet FortiOS Heap-Based Buffer Overflow Vulnerabilitycisa-kev · 2022-12-13
External references
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[](https://www.csirts.com/cve/CVE-2022-42475)