CVE-2021-21634
First published: Tue Mar 30 2021(Updated: )
Jenkins Jabber (XMPP) notifier and control Plugin 1.41 and earlier stores passwords unencrypted in its global configuration file `hudson.plugins.jabber.im.transport.JabberPublisher.xml` on the Jenkins controller as part of its configuration. These passwords can be viewed by users with access to the Jenkins controller file system. Jenkins Jabber (XMPP) notifier and control Plugin 1.42 stores passwords encrypted once its configuration is saved again.
Credit: jenkinsci-cert@googlegroups.com jenkinsci-cert@googlegroups.com jenkinsci-cert@googlegroups.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| maven/org.jvnet.hudson.plugins:jabber | <=1.41 | 1.42 |
| Jenkins Jabber (XMPP) Notifier and Control | <=1.41 |
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Reference Links
- http://www.openwall.com/lists/oss-security/2021/03/30/1
- https://www.jenkins.io/security/advisory/2021-03-30/#SECURITY-2162
- https://nvd.nist.gov/vuln/detail/CVE-2021-21634
- https://github.com/jenkinsci/jabber-plugin/commit/67882cfd189d6d05ad39e043edbfbf079dc37677
- https://github.com/advisories/GHSA-79r5-rhrw-7pvh (Advisory)
Frequently Asked Questions
What is the severity of CVE-2021-21634?
CVE-2021-21634 has been assigned a medium severity rating due to the exposure of unencrypted passwords.
How do I fix CVE-2021-21634?
To fix CVE-2021-21634, upgrade the Jenkins Jabber notifier and control Plugin to version 1.42 or later.
What are the consequences of CVE-2021-21634?
The consequences of CVE-2021-21634 include unauthorized access to sensitive credentials by users with configuration file access.
Which versions are affected by CVE-2021-21634?
CVE-2021-21634 affects Jenkins Jabber notifier and control Plugin versions up to and including 1.41.
Who is impacted by CVE-2021-21634?
Users who have installed the affected versions of the Jenkins Jabber notifier and control Plugin are impacted by CVE-2021-21634.
- collector/github-advisory-latest
- alias/GHSA-79r5-rhrw-7pvh
- alias/CVE-2021-21634
- collector/github-advisory
- agent/softwarecombine
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/severity
- agent/author
- agent/weakness
- agent/references
- agent/first-publish-date
- agent/description
- agent/event
- agent/trending
- agent/source
- agent/tags
- collector/nvd-cve
- agent/software-canonical-lookup-request
- collector/nvd-api
- collector/nvd-index
- package-manager/maven
- vendor/jenkins
- canonical/jenkins jabber (xmpp) notifier and control
- version/jenkins jabber (xmpp) notifier and control/1.41