Vulnerability · Published Jun 30, 2021 · Assigned by jenkins
CVE-2021-21670
Medium 4.3
In plain English
A medium-severity security flaw in Jenkins 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 2.0% (higher than 81% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)4.3Medium
Exploit odds (30 days)2.0%top 18.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Jenkins 2.299 and earlier, LTS 2.289.1 and earlier allows users to cancel queue items and abort builds of jobs for which they have Item/Cancel permission even when they do not have Item/Read permission.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Maven | org.jenkins-ci.main:jenkins-core | 2.289.2 | GHSA-q4wp-8c99-69pw |
| Maven | org.jenkins-ci.main:jenkins-core | 2.300 | GHSA-q4wp-8c99-69pw |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Jenkins project | Jenkins | unspecified – through 2.299unspecified – through LTS 2.289.1 |
References
- https://www.jenkins.io/security/advisory/2021-06-30/#SECURITY-2278 x_refsource_CONFIRM
- [oss-security] 20210630 Multiple vulnerabilities in Jenkins and Jenkins plugins mailing-list, x_refsource_MLIST