CVE-2021-21689
First published: Thu Nov 04 2021(Updated: )
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Credit: jenkinsci-cert@googlegroups.com jenkinsci-cert@googlegroups.com jenkinsci-cert@googlegroups.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Jenkins Jenkins | <2.303.3 | |
| Jenkins Jenkins | <2.319 | |
| redhat/jenkins | <2.319 | 2.319 |
| redhat/jenkins LTS | <2.303.3 | 2.303.3 |
| maven/org.jenkins-ci.main:jenkins-core | <2.303.3 | 2.303.3 |
| maven/org.jenkins-ci.main:jenkins-core | >=2.304<=2.318 | 2.319 |
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Reference Links
- https://nvd.nist.gov/vuln/detail/CVE-2021-21689
- https://www.jenkins.io/security/advisory/2021-11-04/#SECURITY-2455
- https://github.com/jenkinsci/jenkins/commit/104c751d907919dd53f5090f84d53c671a66457b
- https://github.com/jenkinsci/jenkins/commit/5a245e42979abe4a26d41727c839521e36cedd74
- https://github.com/jenkinsci/jenkins/commit/63cde2daadc705edf086f2213b48c8c547f98358
- https://github.com/advisories/GHSA-j3cq-h6vh-gx7f (Advisory)
- https://access.redhat.com/errata/RHSA-2021:4833
- https://access.redhat.com/errata/RHSA-2021:4829
- https://access.redhat.com/errata/RHSA-2021:4801
- https://access.redhat.com/errata/RHSA-2021:4799
- https://access.redhat.com/errata/RHSA-2021:4827
- https://access.redhat.com/security/cve/cve-2021-21689
- https://bugzilla.redhat.com/show_bug.cgi?id=2020335
Frequently Asked Questions
What is CVE-2021-21689?
CVE-2021-21689 is a vulnerability in Jenkins that allows unauthenticated remote attackers to access Jenkins agents.
What is the severity of CVE-2021-21689?
CVE-2021-21689 has a severity level of critical (9.1).
Which versions of Jenkins are affected by CVE-2021-21689?
Jenkins versions up to and including 2.318 and LTS versions up to and including 2.303.2 are affected by CVE-2021-21689.
How can I fix CVE-2021-21689?
To fix CVE-2021-21689, you need to upgrade to Jenkins version 2.319 or LTS version 2.303.3 or higher.
Where can I find more information about CVE-2021-21689?
You can find more information about CVE-2021-21689 in the Jenkins security advisory and the Red Hat security advisories.
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- collector/github-advisory-latest
- alias/GHSA-j3cq-h6vh-gx7f
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- package-manager/maven
- package-manager/redhat