CVE-2021-21676 json
Missing permission check in Jenkins requests-plugin Plugin allows sending emails
published 2021-06-30 5 y ago modified 2026-06-17 4 mo ago also GHSA-w3gm-vv58-wr55 , EUVD-2022-5478
- cvss
- 4.3
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.4%
- EPSS 1.4% chance of exploitation in 30 days, percentile 72%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- maven org.jenkins-ci.plugins:requests 2.2.8
Exploit prediction
1.39% chance of exploitation in the next 30 days, higher than 72% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N |
| NVD | 2.0 | 4.0 | AV:N/AC:L/Au:S/C:N/I:P/A:N |
| GitHub | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| maven | org.jenkins-ci.plugins:requests | <2.2.8 |
2.2.8 |
Affected products
- Jenkins project Jenkins requests-plugin Plugin
Classification
- Weakness
-
- CWE-862 Missing Authorization
References
-
jenkins.io
/security/advisory/2021-06-30/#SECURITY-2136%20%282%29
web, vendor-advisory
-
openwall.com
/lists/oss-security/2021/06/30/1
mailing-list, web, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2021-21676
advisory
-
github.com
/jenkinsci/requests-plugin
package
-
jenkins.io
/security/advisory/2021-06-30/#SECURITY-2136%20(2)
web
Sources
- CVE List CVE-2021-21676
- GitHub Advisory GHSA-w3gm-vv58-wr55
- NVD CVE-2021-21676
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