CVE-2021-21634 Passwords stored in plain text by Jenkins Jabber (XMPP) notifier and control Plugin
Attackers with file system access can read unencrypted passwords stored in the Jenkins XMPP plugin configuration file.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-21634?
CVE-2021-21634 is a medium-severity vulnerability in Jenkins Jabber (XMPP) notifier and control Plugin, published on 30 Mar 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Jenkins Jabber (XMPP) notifier and control Plugin 1.41 and earlier stores passwords unencrypted in its global configuration file on the Jenkins controller where they can be viewed by users with access to the Jenkins controller file system.
Weakness: CWE-522
Which versions are affected by CVE-2021-21634?
2 open source packages ship an affected version, including org.jvnet.hudson.plugins:jabber. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
org.jvnet.hudson.plugins:jabber Maven | All versions | 1.42 |
org.jvnet.hudson.plugins:jabber Maven | All versions | 1.42 |
Products include Jenkins Jabber \(Xmpp\) Notifier and Control.
How do I fix CVE-2021-21634?
Upgrade org.jvnet.hudson.plugins:jabber to 1.42 or later.
Is CVE-2021-21634 being exploited?
There is no known exploitation of CVE-2021-21634 in the wild and no public exploit code.
Sources
Also known as GHSA-79r5-rhrw-7pvh.