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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.014 (71.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 71.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000
Affected products
- Jenkins Requests
- Jenkins Project Requests-Plugin Plugin — versions unspecified
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.jenkins.io/security/advisory/2021-06-30/ (Vendor Advisory)
- www.openwall.com/lists/oss-security/2021/06/30/1 (mailing-list, 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.