Vulnerability DatabaseCVE-2021-21671
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CVE-2021-21671
June 30, 2021
Jenkins 2.299 and earlier, LTS 2.289.1 and earlier does not invalidate the previous session on login.
Affected Packages
org.jenkins-ci.main:jenkins-core (JAVA):
Affected version(s) >=2.292 <2.300
Fix Suggestion:
Update to version 2.300
org.jenkins-ci.main:jenkins-core (JAVA):
Affected version(s) >=1.396 <2.289.2
Fix Suggestion:
Update to version 2.289.2
Related Resources (5)
http://www.openwall.com/lists/oss-security/2021/06/30/1
https://www.jenkins.io/security/advisory/2021-06-30/#SECURITY-2371
https://nvd.nist.gov/vuln/detail/CVE-2021-21671
https://github.com/jenkinsci/jenkins/commit/25a42f3942fd9f8bd768c887c679dbc796b4fcd5
https://github.com/jenkinsci/jenkins
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CVSS v4
Base Score:
7.7
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
CVSS v2
Base Score:
5.1
Access Vector
NETWORK
Access Complexity
HIGH
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Weakness Type (CWE)
Session Fixation
CWE-384
EPSS
Base Score:
0.27