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 breakdown
CVSS 3.1
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected products
- Jenkins Project / Jenkins OpenId Connect Authentication Plugin4.453.v4d7765c854f4 – *
- Jenkins Project / Jenkins OpenId Connect Authentication Plugin4.438.440.v3f5f201de5dc – 4.438.440.v3f5f201de5dc