CVE-2021-21681
Password stored in plain text by Jenkins Nomad Plugin
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- 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
5.5
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.
- Record
CVE-2021-21681- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 2.1 Low
AV:L/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-522
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2021-21681- Updated
- 2026-11-02
EUVDEUVD-2022-2554 No score
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.
- Record
EUVD-2022-2554- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-5c2c-cvg6-ghjm
5.5
Password stored in plain text by Jenkins Nomad Plugin
Jenkins Nomad Plugin 0.7.4 and earlier stores the passwords to authenticate against the Docker registry unencrypted in the global config.xml file on the Jenkins controller as part of its worker templates configuration.
These passwords can be viewed by users with access to the Jenkins controller file system.
Jenkins Nomad Plugin 0.7.5 stores the Docker passwords encrypted. This change is effective after Jenkins restarts.
- Record
GHSA-5c2c-cvg6-ghjm- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-256, CWE-522
- Updated
- 2026-11-02
OSV
5.5
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.
- Record
CVE-2021-21681- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
OSVGHSA-5c2c-cvg6-ghjm
5.5
Password stored in plain text by Jenkins Nomad Plugin
Jenkins Nomad Plugin 0.7.4 and earlier stores the passwords to authenticate against the Docker registry unencrypted in the global config.xml file on the Jenkins controller as part of its worker templates configuration.
These passwords can be viewed by users with access to the Jenkins controller file system.
Jenkins Nomad Plugin 0.7.5 stores the Docker passwords encrypted. This change is effective after Jenkins restarts.
- Record
GHSA-5c2c-cvg6-ghjm- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-256, CWE-522
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.jenkins-ci.plugins:nomadMaven |
through 0.7.4 | 0.7.5 |
org.jenkins-ci.plugins:nomadMaven |
before 0.7.5, plus listed versions 0.10.20.30.3.10.4 Show 14 moreShow less0.5.10.6.00.6.10.6.100.6.30.6.40.6.50.6.60.6.70.6.80.6.90.7.00.7.10.7.4 |
0.7.5 |
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-2021-21681 is a medium vulnerability (CVSS 5.5) in Jenkins Nomad, published August 31, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.30%, the 22nd percentile. Fixed in org.jenkins-ci.plugins:nomad 0.7.5.