CVE-2021-21625

Name: CVE-2021-21625
Creator: NVD / NIST
Published: 2021-03-18T14:15:13.427+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 0.72%

Last modified Jun 17, 2026

CVE-2021-21625 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. Jenkins CloudBees AWS Credentials Plugin 1.28 and earlier does not perform a permission check in a helper method for HTTP endpoints, allowing attackers with Overall/Read permission to enumerate credentials IDs of AWS credentials stored in Jenkins in some circumstances.. EPSS estimates a 0.72% chance of exploitation in the next 30 days.

Description

Jenkins CloudBees AWS Credentials Plugin 1.28 and earlier does not perform a permission check in a helper method for HTTP endpoints, allowing attackers with Overall/Read permission to enumerate credentials IDs of AWS credentials stored in Jenkins in some circumstances.

Metrics

CVSS 3.1

4.3/10

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

EPSS Probability

0.72%

49.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-862

Affected Software

Vendor	Product	Versions
Jenkins	Cloudbees Aws Credentials	<= 1.28

References

http://www.openwall.com/lists/oss-security/2021/03/18/5Third Party Advisory
https://www.jenkins.io/security/advisory/2021-03-18/#SECURITY-2032Vendor Advisory
http://www.openwall.com/lists/oss-security/2021/03/18/5Third Party Advisory
https://www.jenkins.io/security/advisory/2021-03-18/#SECURITY-2032Vendor Advisory

Timeline

Published: Mar 18, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-21625?

How severe is CVE-2021-21625?

CVE-2021-21625 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.72% probability of exploitation in the next 30 days.

How do I fix CVE-2021-21625?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-21625?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST