CVE-2021-21638 CSRF vulnerability in Jenkins Team Foundation Server Plugin allow capturing credentials
Attackers can exploit CSRF to connect to malicious URLs using stolen credentials, capturing stored Jenkins credentials.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-21638?
CVE-2021-21638 is a high-severity vulnerability in Jenkins Team Foundation Server Plugin, published on 30 Mar 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
A cross-site request forgery (CSRF) vulnerability in Jenkins Team Foundation Server Plugin 5.157.1 and earlier allows attackers to connect to an attacker-specified URL using attacker-specified credentials IDs obtained through another method, capturing credentials stored in Jenkins.
Weakness: CWE-352
Which versions are affected by CVE-2021-21638?
2 open source packages ship an affected version, including org.jenkins-ci.plugins:tfs. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
org.jenkins-ci.plugins:tfs Maven | All versions to 5.157.1 | None |
org.jenkins-ci.plugins:tfs Maven | All versions to 5.157.1 | None |
Products include Jenkins Team Foundation Server.
How do I fix CVE-2021-21638?
No fix has been published for CVE-2021-21638 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-21638 being exploited?
There is no known exploitation of CVE-2021-21638 in the wild and no public exploit code.
Other vulnerabilities in Jenkins Team Foundation Server Plugin
Sources
Also known as GHSA-263q-5pj7-j6hj.