Actively exploited · Published Aug 3, 2023 · Assigned by mitre
CVE-2023-38950
High 7.5 Exploited
In plain English
A high-severity path traversal in BioTime from ZKTeco. Attackers are actively exploiting it in the wild (listed by CISA on May 19, 2025). The chance it is exploited in the next 30 days is estimated at 92.5% (higher than 99.8% of all known vulnerabilities). Ready-made attack tooling exists: Nuclei. 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 guidance
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Federal agencies must remediate by Jun 9, 2025.
Official 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.
Affected products (as reported)
Weakness: CWE-22 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
References
- https://claroty.com/team82/disclosure-dashboard/cve-2023-38950
- https://sploitus.com/exploit?id=PACKETSTORM:177859 exploit
- https://www.fortinet.com/content/dam/fortinet/assets/reports/report-incident-response-middle-east.pdf media-coverage
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-38950 government-resource