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PatchSiren cyber security CVE debrief

CVE-2022-41328 Fortinet CVE debrief

CVE-2022-41328 is a Fortinet FortiOS path traversal vulnerability that CISA added to the Known Exploited Vulnerabilities catalog on 2023-03-14. Because it is listed in KEV, defenders should treat it as a real-world exploited issue and prioritize vendor-guided remediation.

Vendor
Fortinet
Product
FortiOS
CVSS
MEDIUM 6.7
CISA KEV
Listed
Original CVE published
2023-03-14
Original CVE updated
2023-03-14
Advisory published
2023-03-14
Advisory updated
2023-03-14

Who should care

Administrators and security teams responsible for Fortinet FortiOS deployments, including those coordinating patching, configuration management, and incident response.

Technical summary

The supplied record identifies the issue as a path traversal vulnerability in FortiOS. CISA’s KEV entry classifies it as known exploited and directs defenders to apply updates per vendor instructions. The source corpus does not include CVSS scoring or deeper impact details, so remediation should follow the official vendor and CISA references.

Defensive priority

High. CISA KEV inclusion means the vulnerability has known exploitation, and the catalog set a remediation due date of 2023-04-04. Patch or otherwise remediate as soon as vendor instructions allow.

Recommended defensive actions

  • Verify affected FortiOS versions using Fortinet’s official guidance and the NVD/CVE records.
  • Apply vendor updates per the instructions referenced by CISA.
  • If remediation cannot be immediate, reduce exposure of affected systems and limit administrative access until patched.
  • Review relevant security logs and incident response data for signs of abuse.
  • Track completion against CISA’s KEV due date context and confirm remediated status.

Evidence notes

CISA’s KEV metadata names the vulnerability “Fortinet FortiOS Path Traversal Vulnerability,” lists vendorProject Fortinet and product FortiOS, marks it as known exploited, and records requiredAction “Apply updates per vendor instructions.” The KEV entry was dated 2023-03-14 with a due date of 2023-04-04. The supplied corpus does not provide CVSS values.

Sources and references

Verified primary and authoritative sources

  • CVE-2022-41328 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2022-41328

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2022-41328 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2022-41328

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

  • CISA Known Exploited Vulnerabilities catalog

    Publisher, destination, and source semantics verified

    URL: https://www.cisa.gov/known-exploited-vulnerabilities-catalog

    Cybersecurity and Infrastructure Security Agency - Official CISA catalog of vulnerabilities known to be exploited in the wild.

Supplemental references

  • Source item URL

    Unverified legacy reference

    URL: https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json

    cisa_kev

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.