CVE-2021-21636

FAUCET Score

CVE-2021-21636 is a missing permission check vulnerability in Jenkins Team Foundation Server Plugin versions 5.157.1 and earlier. This flaw allows authenticated attackers with Overall/Read permission to enumerate credential IDs stored within Jenkins. Rated as Medium severity with a CVSS score of 4.3, it has a low attack complexity and only impacts confidentiality by revealing credential IDs. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		<= 5.157.1CPE matchmatch criteria	cpe:2.3:a:jenkins:team_foundation_server::::::jenkins::*

CVSS Data

CVSS version used by this source: 3.1

4.3MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

Exploitability Score

2.8

Impact Score

1.4

CvssVersion

3.1

Exploit Intelligence

EPSS Score

0.79%

Probability of exploitation in next 30 days

EPSS Percentile

52.4%

Percentile rank of EPSS score among Peer Group

As of 2026-07-27

Model: v2026.06.15

This CVE's current EPSS score of 0.0079 is in the 64th percentile among its peer group of 21,974 CVEs.

Social Chatter

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

Remediation

Vendor Advisories (1)

mavenGHSA-vg28-9f43-gmh5medium

Missing permission check in Jenkins Team Foundation Server Plugin allows enumerating credentials IDs

May 24, 2022

References

jenkins.io / security/advisory/2021-03-30

openwall.com / lists/oss-security/2021/03/30/1

Mailing ListThird Party Advisory