CVE-2023-51142 — An issue in ZKTeco BioTime v

An issue in ZKTeco BioTime v.8.5.4 and before allows a remote attacker to obtain sensitive information.

01What is this vulnerability?

An issue in ZKTeco BioTime v.8.5.4 and before allows a remote attacker to obtain sensitive information.

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: 2024-04-11T01:22:43.563
• Last modified: 2026-07-09T01:18:47.910

09References

• gist.github.com — https://gist.github.com/ipxsec/b20383620c9e1d5300f7716e62e8a82f
• www.zkteco.com — https://www.zkteco.com/en/Security_Bulletinsibs/14
• gist.github.com — https://gist.github.com/ipxsec/b20383620c9e1d5300f7716e62e8a82f