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CVE-2023-38950: ZKTeco BioTime Path Traversal Vulnerability

criticalknown exploitedpublic exploitCVE-2023-38950
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
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.

CSIRTS triage

vendor: ZKTecoproduct: BioTimePath traversal
What
A path traversal vulnerability in the iclock API allows unauthenticated attackers to read arbitrary files.
Who is affected
Users of ZKTeco BioTime with the vulnerable API exposed.
Urgency
Remediation is urgent as the vulnerability is actively exploited and considered critical.
Action
Implement the latest security update from ZKTeco to fix the vulnerability.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2025-05-19
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2023-38950

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2023-38950coverage & exploitation statusNVD · CVE.org

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