Findings

CVE-2023-38950

ZKTeco BioTime Path Traversal Vulnerability

Published Aug 3, 2023 · updated Jul 9, 2026 · 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.

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.

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.

CISA due date Jun 9, 2025

Affected

  • cpe zkteco/biotimeversion unspecified
  • vendor ZKTeco BioTimeversion unspecified

Sources

  • CISA KEVCVE-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.orgCVE-2023-38950

    Official CVE identifier

    cve.org
  • FIRST EPSSCVE-2023-38950

    30-day exploitation probability 92.5%

    first.org
  • NIST NVDCVE-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

References