CVE-2021-21634
Passwords stored in plain text by Jenkins Jabber (XMPP) notifier and control Plugin
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2021-21634- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 4.0 Medium
AV:N/AC:L/Au:S/C:P/I:N/A:N - Weakness
- CWE-522
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2021-21634- Updated
- 2026-11-02
EUVDEUVD-2022-2965 No score
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.
- Record
EUVD-2022-2965- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-79r5-rhrw-7pvh
Passwords stored in plain text by Jenkins Jabber (XMPP) notifier and control Plugin
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.
- Record
GHSA-79r5-rhrw-7pvh- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-522
- Updated
- 2026-11-02
OSVGHSA-79r5-rhrw-7pvh
Passwords stored in plain text by Jenkins Jabber (XMPP) notifier and control Plugin
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.
- Record
GHSA-79r5-rhrw-7pvh- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-522
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.jvnet.hudson.plugins:jabberMaven |
through 1.41 | 1.42 |
org.jvnet.hudson.plugins:jabberMaven |
before 1.42, plus listed versions 0.100.110.20.40.5 Show 45 moreShow less0.60.70.80.91.01.11.101.111.121.131.141.151.161.171.181.191.21.201.211.221.231.241.251.261.271.281.291.31.301.311.331.341.351.361.371.381.391.41.401.411.51.61.71.81.9 |
1.42 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-21634 is a medium vulnerability (CVSS 6.5) in Jenkins Project Jabber (xmpp) Notifier And Control Plugin, published March 30, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.83%, the 57th percentile. Fixed in org.jvnet.hudson.plugins:jabber 1.42.
References
Left out here: 1 version. The JSON record has them.