ZDF
Sign inSign up

Vulnerabilities

Vulnerability · CVE-2023-38950

ZKTeco BioTime Path Traversal Vulnerability

Published Aug 3, 2023 · catalog updated Jul 9, 2026 · ZKTeco BioTime

Patch now

CVE-2023-38950 is in the CISA known-exploited catalog, due Jun 9, 2025. Confirm ZKTeco BioTime against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
Severity
High7.5
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
92.47%
Remediation
Remediation guidance
Affected products
cpe zkteco/biotime · vendor ZKTeco BioTime

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe zkteco/biotimeversion unspecified
  • vendor ZKTeco BioTimeversion unspecified

How to fix CVE-2023-38950

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2023-38950 is in the CISA known-exploited catalog, due Jun 9, 2025. Confirm ZKTeco BioTime against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Affected version ranges are not on this record. Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

What should an analyst verify?

CWE-22: Path Traversal. EPSS 92.47%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Aug 3, 2023 · Catalog

    Detected

    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.

  2. May 19, 2025 · CISA KEV

    Known exploited

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

  3. Jun 9, 2025 · CISA KEV

    Remediation due

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

  4. Jul 9, 2026 · Catalog

    Updated

    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.

Sources

  • CISA KEVConfirmed exploitationCVE-2023-38950

    ZKTeco BioTime contains a path traversal vulnerability in the iclock API that allows an unauthenticated attacker to read arbitrary files via supplying a crafted payload.

    cisa.gov
  • CVE.orgVulnerability recordCVE-2023-38950

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2023-38950

    30-day exploitation probability 92.5%

    first.org
  • NIST NVDVulnerability recordCVE-2023-38950

    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.

    nvd.nist.gov
  • VulnCheck KEVConfirmed exploitationCVE-2023-38950

    ZKTeco BioTime contains a path traversal vulnerability in the iclock API that allows an unauthenticated attacker to read arbitrary files via supplying a crafted payload.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.