High severity · published Jan 22, 2025
CVE-2025-24399
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…
8.8
CVSS
0.5%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 46% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
JO
Jenkins OpenId Connect Authentication Plugin · Jenkins Project
All versions, or not specified · source: vendor
OC
Openid Connect Authentication · Jenkins
before 4.438.440.v3f5f201de5dc; 4.444.vd4c54f157201 before 4.453.v4d7765c854f4 · source: NVD
Affected product
JO
Jenkins OpenId Connect Authentication Plugin
Jenkins Project
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-24399
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-24399
Vendor Advisory
https://www.jenkins.io/security/advisory/2025-01-22/#SECURITY-3461
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