What’s Vulnerable › Vulnerabilities

CVE-2021-21634

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-03-30 · updated 2026-06-17
• Weakness: CWE-522

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.

Affected products

• Jenkins project Jenkins Jabber (XMPP) notifier and control Plugin: through 1.41

References

• http://www.openwall.com/lists/oss-security/2021/03/30/1
• https://www.jenkins.io/security/advisory/2021-03-30/#SECURITY-2162
• http://www.openwall.com/lists/oss-security/2021/03/30/1
• https://www.jenkins.io/security/advisory/2021-03-30/#SECURITY-2162

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