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.

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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

JSON
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