CVE-2023-38956 — A path traversal vulnerability in ZKTeco BioAccess IVS v3

A path traversal vulnerability in ZKTeco BioAccess IVS v3.3.1 allows unauthenticated attackers to read arbitrary files via supplying a crafted payload.

01What is this vulnerability?

A path traversal vulnerability in ZKTeco BioAccess IVS v3.3.1 allows unauthenticated attackers to read arbitrary files via supplying a crafted payload.

02Affected products

No structured affected-product list available — see references below for vendor advisories.

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-08-03T02:15:09.763
• Last modified: 2026-07-09T01:18:33.803

09References

• claroty.com — https://claroty.com/team82/disclosure-dashboard/cve-2023-38956
• claroty.com — https://claroty.com/team82/disclosure-dashboard/cve-2023-38956