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CVE-2021-21681

20
FAUCET Score

CVE-2021-21681 affects Jenkins Nomad Plugin versions 0.7.4 and earlier, where Docker passwords are stored unencrypted in the global config.xml file on the Jenkins controller. This vulnerability has a CVSS score of 5.5 (Medium), indicating that a local attacker with low privileges can access sensitive information, specifically Docker passwords, from the file system. While the potential impact is a high compromise of confidentiality, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.7.4CPE matchmatch criteria
cpe:2.3:a:jenkins:nomad:*:*:*:*:*:jenkins:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.30%
Probability of exploitation in next 30 days
EPSS Percentile
22.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0030 is in the 79th percentile among its peer group of 15,940 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

mavenpatch availablevia ghsa
Product: org.jenkins-ci.plugins:nomadFixed in: 0.7.5
jenkinsvendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

mavenGHSA-5c2c-cvg6-ghjmmedium

Password stored in plain text by Jenkins Nomad Plugin

May 24, 2022

References

jenkins.io / security/advisory/2021-08-31
Vendor Advisory
openwall.com / lists/oss-security/2021/08/31/1
Mailing ListThird Party Advisory