What is the CVSS score of CVE-2025-24399?

CVE-2025-24399 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.4%.

Which versions of Openid Connect Authentication are affected by CVE-2025-24399?

CVE-2025-24399 presents significant security risk, a incorrect default permissions vulnerability rated CVSS 8.8.. A patch is available.

How to fix or mitigate CVE-2025-24399?

Within 30 days: Identify all affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Openid Connect Authentication CVE-2025-24399

HIGH

Incorrect Default Permissions (CWE-276)

2025-01-22 jenkinsci-cert@googlegroups.com

Privilege Escalation Jenkins Openid Connect Authentication

8.8

CVSS 3.1

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Patch released

Mar 31, 2026 - 21:13 nvd

Patch available

Analysis Generated

Mar 28, 2026 - 18:05 vuln.today

CVE Published

Jan 22, 2025 - 17:15 nvd

HIGH 8.8

DescriptionNVD

Jenkins OpenId Connect Authentication Plugin 4.452.v2849b_d3945fa_ and earlier, except 4.438.440.v3f5f201de5dc, treats usernames as case-insensitive, allowing attackers on Jenkins instances configured with a case-sensitive OpenID Connect provider to log in as any user by providing a username that differs only in letter case, potentially gaining administrator access to Jenkins.

AnalysisAI

Jenkins OpenId Connect Authentication Plugin 4.452.v2849b_d3945fa_ and earlier, except 4.438.440.v3f5f201de5dc, treats usernames as case-insensitive, allowing attackers on Jenkins instances. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Incorrect Default Permissions (CWE-276), which allows attackers to access resources due to overly permissive default settings. Jenkins OpenId Connect Authentication Plugin 4.452.v2849b_d3945fa_ and earlier, except 4.438.440.v3f5f201de5dc, treats usernames as case-insensitive, allowing attackers on Jenkins instances configured with a case-sensitive OpenID Connect provider to log in as any user by providing a username that differs only in letter case, potentially gaining administrator access to Jenkins. Affected products include: Jenkins Openid Connect Authentication.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Set restrictive default permissions, follow principle of least privilege, review defaults during deployment.

More from same product – last 7 days

CVE-2026-48920 HIGH This Week

8.8 May 27

Arbitrary file disclosure in the Jenkins Email Extension Plugin (email-ext) versions 1933.v45cec755423f and earlier lets

CVE-2026-48922 HIGH This Week

7.5 May 27

Arbitrary file write in the Jenkins Credentials Binding Plugin (version 720.v3f6decef43ea_ and earlier) lets users who c

CVE-2026-48921 HIGH This Week

7.5 May 27

Arbitrary file read on the Jenkins controller is possible in the Jenkins 'Pipeline: Groovy Libraries Plugin' (version 79

CVE-2026-48919 MEDIUM This Month

6.6 May 27

Unsafe deserialization in Jenkins Active Directory Plugin 2.41 and earlier allows a remote attacker holding administrati

CVE-2026-48918 MEDIUM This Month

6.6 May 27

Server-Side Request Forgery in Jenkins Active Directory Plugin 2.41 and earlier enables a highly privileged attacker to

CVE-2025-24399 vulnerability details – vuln.today

Back

Openid Connect Authentication CVE-2025-24399

CVSS VectorNVD

Lifecycle Timeline

DescriptionNVD

AnalysisAI

Technical ContextAI

RemediationAI

More from same product – last 7 days

Share

External POC / Exploit Code