CVE-2021-21631
Missing permission check in Jenkins Cloud Statistics Plugin
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2021-21631- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N - CVSS 2.0
- 4.0 Medium
AV:N/AC:L/Au:S/C:P/I:N/A:N - Weakness
- CWE-862
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2021-21631- Updated
- 2026-11-02
EUVDEUVD-2022-5859 No score
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.
- Record
EUVD-2022-5859- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-xv69-6rf3-w5g2
Missing permission check in Jenkins Cloud Statistics Plugin
Jenkins Cloud Statistics Plugin 0.26 and earlier does not perform a permission check in an HTTP endpoint.
This allows attackers with Overall/Read permission and knowledge of random activity IDs to view related provisioning exception error messages.
Jenkins Cloud Statistics Plugin 0.27 requires Overall/Administer permission to access provisioning exception error messages.
- Record
GHSA-xv69-6rf3-w5g2- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-862
- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2021-21631- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N - Updated
- 2026-11-02
OSVGHSA-xv69-6rf3-w5g2
Missing permission check in Jenkins Cloud Statistics Plugin
Jenkins Cloud Statistics Plugin 0.26 and earlier does not perform a permission check in an HTTP endpoint.
This allows attackers with Overall/Read permission and knowledge of random activity IDs to view related provisioning exception error messages.
Jenkins Cloud Statistics Plugin 0.27 requires Overall/Administer permission to access provisioning exception error messages.
- Record
GHSA-xv69-6rf3-w5g2- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-862
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.jenkins-ci.plugins:cloud-statsMaven |
through 0.26 | 0.27 |
org.jenkins-ci.plugins:cloud-statsMaven |
before 0.27, plus listed versions 0.10.100.110.120.13 Show 21 moreShow less0.140.150.160.170.180.190.20.200.210.220.230.240.250.260.30.40.50.60.70.80.9 |
0.27 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-21631 is a medium vulnerability (CVSS 4.3) in Jenkins Cloud Statistics, published March 30, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.80%, the 56th percentile. Fixed in org.jenkins-ci.plugins:cloud-stats 0.27.