Authentication Bypass in ZKT ZKBio CVSecurity Software
CVE-2025-45746

9.8CRITICAL

Key Information:

Vendor

Zkteco

Status
Zkbio Cvsecurity
Vendor
CVE Published:
13 May 2025

What is CVE-2025-45746?

In ZKT ZKBio CVSecurity version 6.4.1_R, an unauthenticated attacker can exploit a flaw that allows them to craft JSON Web Tokens (JWTs) using a hardcoded secret. This vulnerability enables attackers to authenticate themselves to the service console without authorization, potentially leading to unauthorized access and control over the affected system.

Affected Version(s)

ZKBio CVSecurity 6.4.1_R < 6.6.0_R

References

https://github.com/mrojz/ZKT-Bio-CVSecurity/blob/main/CVE...

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.