CVE-2021-21681

CVE-2021-21681 is a medium-severity vulnerability in Jenkins Nomad with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-522.

Key facts

Description

Jenkins Nomad Plugin 0.7.4 and earlier stores Docker passwords unencrypted in the global config.xml file on the Jenkins controller where they can be viewed by users with access to the Jenkins controller file system.

Frequently asked questions

What is CVE-2021-21681?
Jenkins Nomad Plugin 0.7.4 and earlier stores Docker passwords unencrypted in the global config.xml file on the Jenkins controller where they can be viewed by users with access to the Jenkins controller file system.
How severe is CVE-2021-21681?
CVE-2021-21681 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-21681 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-21681?
CVE-2021-21681 affects Jenkins Nomad. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-21681?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-21681 published?
CVE-2021-21681 was published on 2021-08-31 and last updated on 2026-06-17.

References

Affected products (1)

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