Auth bypass in Jenkins Requests
CVE-2021-21676
Jenkins requests-plugin Plugin 2.2.7 and earlier does not perform a permission check in an HTTP endpoint, allowing attackers with Overall/Read permission to send test emails to an attacker-specified email address.
Vulnerability class: Broken Access Control
EPSS: 0.014 (69.5th 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:N/I:L/A:N.
Affected products
- Jenkins Requests
- Jenkins Project Requests-plugin Plugin — versions unspecified
Weakness classification (CWE)
Public proof-of-concept exploits
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-2021-21676?
- CVE-2021-21676 is a medium-severity vulnerability in Jenkins Requests, classified under Missing Authorization. CVSS score: 4.3/10. Published 2021-06-30.
- How severe is CVE-2021-21676?
- Medium severity. CVSS v3 base score is 4.3 out of 10.
- Is CVE-2021-21676 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.