Case Insensitivity Vulnerability in Jenkins OpenId Connect Authentication Plugin
CVE-2025-24399

8.8HIGH

Key Information:

Vendor

Jenkins
Status
Jenkins Openid Connect Authentication Plugin
Vendor
CVE Published:
22 January 2025

What is CVE-2025-24399?

The Jenkins OpenId Connect Authentication Plugin misinterprets username case sensitivity, enabling attackers to log in as any user. This flaw occurs in versions 4.452.v2849b_d3945fa_ and earlier, affecting Jenkins configurations that utilize case-sensitive OpenID Connect providers. By submitting a username with a different letter casing, an attacker can potentially gain unauthorized access, including administrative privileges, leading to significant security risks.

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Deploy the Patch

Affected Version(s)

Jenkins OpenId Connect Authentication Plugin 4.453.v4d7765c854f4

Jenkins OpenId Connect Authentication Plugin 4.453.v4d7765c854f4

Jenkins OpenId Connect Authentication Plugin 4.438.440.v3f5f201de5dc

References

https://www.jenkins.io/security/advisory/2025-01-22/#SECU...
vendor-advisory

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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