What is CVE-2021-21631?

CVE-2021-21631 is a medium-severity vulnerability in Jenkins Cloud Statistics, classified under Missing Authorization. CVSS score: 4.3/10. Published 2021-03-30.

How severe is CVE-2021-21631?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Jenkins Cloud Statistics

CVE-2021-21631

Jenkins Cloud Statistics Plugin 0.26 and earlier does not perform a permission check in an HTTP endpoint, allowing attackers with Overall/Read permission and knowledge of random activity IDs to view related provisioning exception error messages.

Vulnerability class: Broken Access Control

EPSS: 0.008 (52.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Jenkins Cloud_statistics
Jenkins Project Cloud Statistics Plugin — versions unspecified

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

jenkinsci-cert@googlegroups.com (x_refsource_CONFIRM, Vendor Advisory)
jenkinsci-cert@googlegroups.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2021-21631?: CVE-2021-21631 is a medium-severity vulnerability in Jenkins Cloud Statistics, classified under Missing Authorization. CVSS score: 4.3/10. Published 2021-03-30.
How severe is CVE-2021-21631?: Medium severity. CVSS v3 base score is 4.3 out of 10.