CVE-2021-21631 json
Missing permission check in Jenkins Cloud Statistics Plugin
published 2021-03-30 5 y ago modified 2026-06-17 4 mo ago also GHSA-xv69-6rf3-w5g2 , EUVD-2022-5859
- cvss
- 4.3
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.8%
- EPSS 0.8% chance of exploitation in 30 days, percentile 56%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- maven org.jenkins-ci.plugins:cloud-stats 0.27
Exploit prediction
0.80% chance of exploitation in the next 30 days, higher than 56% 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:L/I:N/A:N |
| NVD | 2.0 | 4.0 | AV:N/AC:L/Au:S/C:P/I:N/A:N |
| GitHub | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| maven | org.jenkins-ci.plugins:cloud-stats | <0.27 |
0.27 |
Affected products
- Jenkins project Jenkins Cloud Statistics Plugin
Classification
- Weakness
-
- CWE-862 Missing Authorization
References
-
github.com
/jenkinsci/cloud-stats-plugin/commit/07dd3da346a65083a93a071036409f1128e0b133
web
-
jenkins.io
/security/advisory/2021-03-30/#SECURITY-2246
web, vendor-advisory
-
openwall.com
/lists/oss-security/2021/03/30/1
mailing-list, web, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2021-21631
advisory
-
github.com
/jenkinsci/cloud-stats-plugin
package
Sources
- CVE List CVE-2021-21631
- GitHub Advisory GHSA-xv69-6rf3-w5g2
- NVD CVE-2021-21631
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