Vulnerability · Published Apr 21, 2021 · Assigned by jenkins
CVE-2021-21647
Medium 4.3
In plain English
A medium-severity security flaw in Jenkins CloudBees CD Plugin from Jenkins project. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.5% (higher than 74% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)4.3Medium
Exploit odds (30 days)1.5%top 26.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Maven | org.jenkins-ci.plugins:electricflow | 1.1.18.1 | GHSA-7rx6-4vwv-432g |
| Maven | org.jenkins-ci.plugins:electricflow | 1.1.22 | GHSA-7rx6-4vwv-432g |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Jenkins project | Jenkins CloudBees CD Plugin | unspecified – through 1.1.21 |
References
- https://www.jenkins.io/security/advisory/2021-04-21/#SECURITY-2309 x_refsource_CONFIRM
- [oss-security] 20210421 Multiple vulnerabilities in Jenkins plugins mailing-list, x_refsource_MLIST