Session Fixation Affecting org.jenkins-ci.main:jenkins-core package, versions [2.266,2.289.2) [2.292,2.300)
Threat Intelligence
EPSS
0.3% (71st
percentile)
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Test your applications- Snyk ID SNYK-JAVA-ORGJENKINSCIMAIN-3182859
- published 25 Dec 2022
- disclosed 24 May 2022
- credit NotMyFault
Introduced: 24 May 2022
CVE-2021-21671 Open this link in a new tabHow to fix?
Upgrade org.jenkins-ci.main:jenkins-core to version 2.289.2, 2.300 or higher.
Overview
org.jenkins-ci.main:jenkins-core is an open source automation server.
Affected versions of this package are vulnerable to Session Fixation due to not invalidating existing sessions on login, which allows attackers to gain administrator access by convincing an administrator user to perform certain actions.
Workaround
This vulnerability can be avoided by not granting Item/Cancel permission to users who do not have Item/Read permission.
References
CVSS Scores
version 3.1