CVE-2021-21637
First published: Tue Mar 30 2021(Updated: )
A missing permission check in Jenkins Team Foundation Server Plugin 5.157.1 and earlier allows attackers with Overall/Read permission to connect to an attacker-specified URL using attacker-specified credentials IDs obtained through another method, capturing credentials stored in Jenkins.
Credit: jenkinsci-cert@googlegroups.com jenkinsci-cert@googlegroups.com jenkinsci-cert@googlegroups.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Jenkins Team Foundation Server | <=5.157.1 | |
| maven/org.jenkins-ci.plugins:tfs | <=5.157.1 |
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Reference Links
- http://www.openwall.com/lists/oss-security/2021/03/30/1
- https://www.jenkins.io/security/advisory/2021-03-30/#SECURITY-2283%20(2)
- https://www.jenkins.io/security/advisory/2021-03-30/#SECURITY-2283%20%282%29
- https://nvd.nist.gov/vuln/detail/CVE-2021-21637
- https://github.com/advisories/GHSA-6364-jx4h-7564 (Advisory)
Frequently Asked Questions
What is CVE-2021-21637?
CVE-2021-21637 is a vulnerability in Jenkins Team Foundation Server Plugin 5.157.1 and earlier that allows attackers with Overall/Read permission to connect to an attacker-specified URL using attacker-specified credentials IDs obtained through another method, capturing credentials stored in Jenkins.
How severe is CVE-2021-21637?
CVE-2021-21637 has a severity rating of 6.5 out of 10, which is considered medium.
What software versions are affected by CVE-2021-21637?
Jenkins Team Foundation Server Plugin versions up to and including 5.157.1 are affected by CVE-2021-21637.
How can an attacker exploit CVE-2021-21637?
An attacker with Overall/Read permission can exploit CVE-2021-21637 by connecting to an attacker-specified URL using attacker-specified credentials IDs obtained through another method, capturing credentials stored in Jenkins.
Are there any references for CVE-2021-21637?
Yes, you can find more information about CVE-2021-21637 at the following references: [Reference 1](http://www.openwall.com/lists/oss-security/2021/03/30/1), [Reference 2](https://www.jenkins.io/security/advisory/2021-03-30/#SECURITY-2283%20(2))
- collector/nvd-index
- collector/nvd-api
- collector/github-advisory-latest
- alias/GHSA-6364-jx4h-7564
- alias/CVE-2021-21637
- collector/github-advisory
- collector/nvd-cve
- agent/severity
- agent/weakness
- agent/type
- agent/references
- agent/author
- agent/description
- agent/event
- agent/last-modified-date
- agent/softwarecombine
- agent/first-publish-date
- agent/tags
- collector/mitre-cve
- source/MITRE
- vendor/jenkins
- canonical/jenkins team foundation server
- version/jenkins team foundation server/5.157.1
- package-manager/maven