CVE-2021-21647
Missing permission check in Jenkins CloudBees CD Plugin allows scheduling builds
Jenkins CloudBees CD Plugin 1.1.21 and earlier does not perform a permission check in an HTTP endpoint, allowing attackers with Item/Read permission to schedule builds of projects without having Item/Build permission.
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
- None
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
Jenkins CloudBees CD Plugin 1.1.21 and earlier does not perform a permission check in an HTTP endpoint, allowing attackers with Item/Read permission to schedule builds of projects without having Item/Build permission.
- Record
CVE-2021-21647- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N - CVSS 2.0
- 4.0 Medium
AV:N/AC:L/Au:S/C:N/I:P/A:N - Updated
- 2026-11-02
CVE List No score
Jenkins CloudBees CD Plugin 1.1.21 and earlier does not perform a permission check in an HTTP endpoint, allowing attackers with Item/Read permission to schedule builds of projects without having Item/Build permission.
- Record
CVE-2021-21647- Updated
- 2026-11-02
EUVDEUVD-2022-3060 No score
Jenkins CloudBees CD Plugin 1.1.21 and earlier does not perform a permission check in an HTTP endpoint, allowing attackers with Item/Read permission to schedule builds of projects without having Item/Build permission.
- Record
EUVD-2022-3060- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-7rx6-4vwv-432g
Missing permission check in Jenkins CloudBees CD Plugin allows scheduling builds
Jenkins CloudBees CD Plugin does not perform a permission check in an HTTP endpoint.
This allows attackers with Item/Read permission to schedule builds of projects without having Item/Build permission.
Jenkins CloudBees CD Plugin requires Item/Build permission to schedule builds via its HTTP endpoint.
- Record
GHSA-7rx6-4vwv-432g- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-862
- Updated
- 2026-11-02
OSV
Jenkins CloudBees CD Plugin 1.1.21 and earlier does not perform a permission check in an HTTP endpoint, allowing attackers with Item/Read permission to schedule builds of projects without having Item/Build permission.
- Record
CVE-2021-21647- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N - Updated
- 2026-11-02
OSVGHSA-7rx6-4vwv-432g
Missing permission check in Jenkins CloudBees CD Plugin allows scheduling builds
Jenkins CloudBees CD Plugin does not perform a permission check in an HTTP endpoint.
This allows attackers with Item/Read permission to schedule builds of projects without having Item/Build permission.
Jenkins CloudBees CD Plugin requires Item/Build permission to schedule builds via its HTTP endpoint.
- Record
GHSA-7rx6-4vwv-432g- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-862
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.jenkins-ci.plugins:electricflowMaven |
before 1.1.18.1 | 1.1.18.1 |
org.jenkins-ci.plugins:electricflowMaven |
1.1.19 up to 1.1.22 | 1.1.22 |
org.jenkins-ci.plugins:electricflowMaven |
before 1.1.18.1, plus listed versions 1.01.1.11.1.101.1.111.1.12 Show 14 moreShow less1.1.131.1.141.1.151.1.161.1.171.1.181.1.21.1.31.1.41.1.51.1.61.1.71.1.81.1.9 |
1.1.18.1 |
org.jenkins-ci.plugins:electricflowMaven |
1.1.19 up to 1.1.22, plus listed versions 1.1.201.1.21 |
1.1.22 |
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-2021-21647 is a medium vulnerability (CVSS 4.3) in Jenkins Cloudbees Cd, published April 21, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.46%, the 73rd percentile. Fixed in org.jenkins-ci.plugins:electricflow 1.1.18.1.