TI-2023-27949 Aliases CVE-2023-51141 GHSA-9jm5-85j2-p9f4

An issue in ZKTeko BioTime v.8.5.4 and before allows a remote attacker to obtain…

MEDIUM 62CWE-639Published 2024-03-21 · Updated 2026-07-09

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: Security bypass
Confidentiality · integrity · availability: High · None · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-639.

Summary

An issue in ZKTeko BioTime v.8.5.4 and before allows a remote attacker to obtain sensitive information via the Authentication & Authorization component

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00658 51st percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:zkteco:biotime:8.5.4:::::::*	8.5.4	Vulnerable	ZKTeco

cpe:2.3:a:zkteco:biotime:8.5.4:*:*:*:*:*:*:* Versions 8.5.4 Vulnerable ·ZKTeco

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2023-51141
2026-10-03 Alias added: GHSA-9jm5-85j2-p9f4
2026-10-09 EPSS moved to the 50th–90th percentile

References

Exploit 1

https://gist.github.com/ipxsec/1680d29c49fe368be81b037168175b10

TI-2023-20210 A path traversal vulnerability in the iclock API of ZKTeco BioTime v8.5.5 allows… KEVCVSS 3.1HIGH 7.5
TI-2023-20211 ZKTeco BioTime 8.5.5 through 9.x before 9.0.1 (20240617.19506) allows authenticated… CVSS 3.1CRITICAL 9.8
TI-2023-27950 An issue in ZKTeco BioTime v.8.5.4 and before allows a remote attacker to obtain sensitive information. CVSS 3.1HIGH 7.5
TI-2023-20212 Insecure access control in ZKTeco BioTime through 9.0.1 allows authenticated attackers to… CVSS 3.1HIGH 7.5
TI-2024-12975 ZKTeco BioTime default password CVSS 4.0MEDIUM 6.9
TI-2022-18297 Zkteco BioTime < 8.5.3 Build:20200816.447 is vulnerable to Incorrect Access Control via… CVSS 3.1MEDIUM 6.8

See all 11 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences