First published: Wed Jan 29 2020(Updated: )
Jenkins 2.218 and earlier, LTS 2.204.1 and earlier exposed session identifiers on a user's detail object in the whoAmI diagnostic page.
Credit: jenkinsci-cert@googlegroups.com jenkinsci-cert@googlegroups.com jenkinsci-cert@googlegroups.com
Affected Software | Affected Version | How to fix |
---|---|---|
Jenkins Jenkins | <=2.204.1 | |
Jenkins Jenkins | <=2.218 | |
maven/org.jenkins-ci.main:jenkins-core | <2.204.2 | 2.204.2 |
maven/org.jenkins-ci.main:jenkins-core | >=2.205<2.219 | 2.219 |
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
CVE-2020-2103 is classified as a medium severity vulnerability.
To fix CVE-2020-2103, upgrade Jenkins to version 2.204.2 or 2.219 or later.
Jenkins versions 2.218 and earlier, as well as LTS versions 2.204.1 and earlier are affected by CVE-2020-2103.
CVE-2020-2103 exposes session identifiers on the user's detail object in the whoAmI diagnostic page.
There is no documented workaround for CVE-2020-2103; updating to a secure version is the recommended solution.