CVE-2022-20620 Missing permission checks in SSH Agent Plugin allow enumerating credentials IDs
Attackers with read access can enumerate stored credential IDs due to missing permission checks in the Jenkins SSH Agent Plugin.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-20620?
CVE-2022-20620 is a medium-severity missing authorization vulnerability in Jenkins SSH Agent Plugin, published on 12 Jan 2022. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Missing permission checks in Jenkins SSH Agent Plugin 1.23 and earlier allows attackers with Overall/Read access to enumerate credentials IDs of credentials stored in Jenkins.
Weakness: CWE-862
Which versions are affected by CVE-2022-20620?
4 open source packages ship an affected version, including org.jenkins-ci.plugins:ssh-agent. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
org.jenkins-ci.plugins:ssh-agent Maven | All versions | 1.22.1 |
org.jenkins-ci.plugins:ssh-agent Maven | All versions | 1.22.1 |
org.jenkins-ci.plugins:ssh-agent Maven | From 1.23 | 1.23.2 |
org.jenkins-ci.plugins:ssh-agent Maven | From 1.23 | 1.23.2 |
Products include Jenkins Ssh Agent.
How do I fix CVE-2022-20620?
Upgrade org.jenkins-ci.plugins:ssh-agent to a fixed version for your release line: 1.22.1 or 1.23.2.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2022-20620 being exploited?
There is no known exploitation of CVE-2022-20620 in the wild and no public exploit code.
Other vulnerabilities in Jenkins SSH Agent Plugin
Sources
Also known as GHSA-9wxh-jjj5-67cv.