CVE-2020-2188 Users with Overall/Read access can enumerate credentials IDs in Amazon EC2 Plugin

Medium 4.3 Published 6 May 2020 Updated 4 Aug 2024

Users with Overall/Read access can enumerate stored credentials IDs due to missing permission checks in the Jenkins Amazon EC2 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-2020-2188?

CVE-2020-2188 is a medium-severity missing authorization vulnerability in Jenkins Amazon EC2 Plugin, published on 6 May 2020. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A missing permission check in Jenkins Amazon EC2 Plugin 1.50.1 and earlier in form-related methods allowed users with Overall/Read access to enumerate credentials ID of credentials stored in Jenkins.

Weakness: CWE-863

Which versions are affected by CVE-2020-2188?

2 open source packages ship an affected version, including org.jenkins-ci.plugins:ec2. It affects 1 product.

Package	Affected	Fixed in
`org.jenkins-ci.plugins:ec2` Maven	All versions	`1.50.2`
`org.jenkins-ci.plugins:ec2` Maven	All versions	`1.50.2`

Products include Jenkins Amazon Ec2.

How do I fix CVE-2020-2188?

Upgrade org.jenkins-ci.plugins:ec2 to 1.50.2 or later.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2020-2188 being exploited?

There is no known exploitation of CVE-2020-2188 in the wild and no public exploit code.

Sources

Also known as GHSA-rmp9-mc8w-mqf3.