CVE-2021-21634 json
Passwords stored in plain text by Jenkins Jabber (XMPP) notifier and control Plugin
published 2021-03-30 5 y ago modified 2026-06-17 4 mo 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
Exploit prediction
0.83% chance of exploitation in the next 30 days, higher than 57% of all scored CVEs (FIRST EPSS, 2026-11-08).
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
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