Vulnerability record

CVE-2023-38950

ZKTeco BioTime Path Traversal Vulnerability

Severity: HighExploitation: Exploitation confirmedCISA KEV
What should I do?

This vulnerability is in the CISA Known Exploited Vulnerabilities catalog: attackers are using it. If you run BioTime, fix it now.

CISA required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

US federal civilian agencies must remediate by Jun 9, 2025.

Patch status

No official fix confirmed yet

Until a fix ships, follow the vendor's mitigations and CISA's required action, limit exposure of affected systems, and watch this record for a patch.

Description

A path traversal vulnerability in the iclock API of ZKTeco BioTime v8.5.5 allows unauthenticated attackers to read arbitrary files via supplying a crafted payload. This vulnerability was fixed in version 9.0.120240617.19506 of ZKBioTime.

Source: NIST National Vulnerability Database. Official vulnerability data, reproduced as published.

Affected products

Products affected by this vulnerability, with versions and the source of each entry
ProductVendorAffected versionsFixed inSource
BioTimeZKTeco< 9.0.19.0.1KEV

Sources: KEV = CISA Known Exploited Vulnerabilities catalog.

Intelligence timeline

Developments from the last 30 days, newest first.

  1. CVSS scoredUpdateKEV

    CVE-2023-38950 scored CVSS 7.5: ZKTeco BioTime, ZKTeco BioTime Path Traversal Vulnerability

    CISA lists this as exploited in the wild. Unpatched BioTime systems are exposed to active attacks now.

    Basis: NIST National Vulnerability Database

1 earlier event is available with a subscription. See plans.

Coverage

We have not published a story about this vulnerability yet.

References

  • zkteco.com https://www.zkteco.com/en/Security_Bulletinsibs
  • nvd.nist.gov https://nvd.nist.gov/vuln/detail/CVE-2023-38950
  • claroty.com https://claroty.com/team82/disclosure-dashboard/cve-2023-38950
  • sploitus.com https://sploitus.com/exploit?id=PACKETSTORM:177859
  • cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-38950
  • fortinet.com https://www.fortinet.com/content/dam/fortinet/assets/reports/report-incident-response-middle-east.pdf