CVE-2021-21634 json
Passwords stored in plain text by Jenkins Jabber (XMPP) notifier and control Plugin
published 5y ago modified 4mo ago also GHSA-79r5-rhrw-7pvh , EUVD-2022-2965
- cvss
- 6.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.8%
- EPSS 0.8% chance of exploitation in 30 days, percentile 57%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
Is CVE-2021-21634 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
0.84% chance of exploitation in the next 30 days, higher than 57% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 4.0 | AV:N/AC:L/Au:S/C:P/I:N/A:N |
| GitHub | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| maven | org.jvnet.hudson.plugins:jabber | <1.42 |
1.42 |
Affected products
- Jenkins project Jenkins Jabber (XMPP) notifier and control Plugin
Classification
- Weakness
-
- CWE-522 Insufficiently Protected Credentials
References
-
github.com
/jenkinsci/jabber-plugin/commit/67882cfd189d6d05ad39e043edbfbf079dc37677
web
-
jenkins.io
/security/advisory/2021-03-30/#SECURITY-2162
web, vendor-advisory
-
openwall.com
/lists/oss-security/2021/03/30/1
mailing-list, web, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2021-21634
advisory
-
github.com
/jenkinsci/jabber-plugin
package
Sources
- CVE List CVE-2021-21634
- GitHub Advisory GHSA-79r5-rhrw-7pvh
- NVD CVE-2021-21634
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.