Risk Letters

Exploited vulnerability

CVE-2023-38950

TLP:CLEAR

ZKTeco BioTime Path Traversal Vulnerability

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.

Facts

  • Vendor: ZKTeco
  • Product: BioTime
  • CVSS: 7.5
  • EPSS (probability of exploitation within 30 days): 92.5 %
  • On CISA's Known Exploited Vulnerabilities list since: 19 May 2025
  • First known exploitation: 19 May 2025
  • CISA's deadline for US federal agencies: 9 June 2025
  • Weakness: CWE-22
  • First seen by Risk Letters: 19 May 2025

Members see which Nordic sectors the flaw hits, and what to do about it.

Get the full brief

Data: NVD (public domain), CISA KEV, FIRST EPSS, MITRE ATT&CK, AlienVault OTX. NVD