CVE-2021-21682
First published: Wed Oct 06 2021(Updated: )
Jenkins 2.314 and earlier, LTS 2.303.1 and earlier accepts names of jobs and other entities with a trailing dot character, potentially replacing the configuration and data of other entities on Windows.
Credit: jenkinsci-cert@googlegroups.com jenkinsci-cert@googlegroups.com jenkinsci-cert@googlegroups.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Jenkins Jenkins | <=2.303.1 | |
| Jenkins Jenkins | <=2.314 | |
| Microsoft Windows | ||
| maven/org.jenkins-ci.main:jenkins-core | <=2.303.1 | 2.303.2 |
| maven/org.jenkins-ci.main:jenkins-core | >=2.304<=2.314 | 2.315 |
| All of | ||
| Any of | ||
| Jenkins Jenkins | <=2.303.1 | |
| Jenkins Jenkins | <=2.314 | |
| Microsoft Windows |
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Reference Links
- http://www.openwall.com/lists/oss-security/2021/10/06/1
- https://www.jenkins.io/security/advisory/2021-10-06/#SECURITY-2424
- https://nvd.nist.gov/vuln/detail/CVE-2021-21682
- https://github.com/jenkinsci/jenkins/commit/c2c2b59071265aea07f88d5e95297c0a433921c3
- https://github.com/advisories/GHSA-6q4g-84f3-mw74 (Advisory)
Frequently Asked Questions
What is the vulnerability ID for this issue?
The vulnerability ID for this issue is CVE-2021-21682.
What is the severity of CVE-2021-21682?
The severity of CVE-2021-21682 is medium (4.3).
Which versions of Jenkins are affected by CVE-2021-21682?
Jenkins 2.314 and earlier, LTS 2.303.1 and earlier are affected by this vulnerability.
How does the vulnerability in Jenkins work?
The vulnerability in Jenkins allows for the acceptance of names of jobs and other entities with a trailing dot character, potentially replacing the configuration and data of other entities on Windows.
Where can I find more information about CVE-2021-21682?
You can find more information about CVE-2021-21682 on the following references: [Reference 1](http://www.openwall.com/lists/oss-security/2021/10/06/1), [Reference 2](https://www.jenkins.io/security/advisory/2021-10-06/#SECURITY-2424).
- collector/nvd-index
- collector/nvd-api
- collector/github-advisory-latest
- alias/GHSA-6q4g-84f3-mw74
- alias/CVE-2021-21682
- collector/nvd-cve
- collector/github-advisory
- agent/type
- agent/softwarecombine
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- source/MITRE
- agent/references
- agent/last-modified-date
- agent/author
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- agent/severity
- agent/first-publish-date
- agent/event
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- agent/source
- vendor/jenkins
- canonical/jenkins jenkins
- version/jenkins jenkins/2.303.1
- version/jenkins jenkins/2.314
- vendor/microsoft
- canonical/microsoft windows
- package-manager/maven