CVE-2024-47806 Jenkins OpenId Connect Authentication Plugin lacks audience claim validation

High 8.1 Published 2 Oct 2024 Updated 2 Oct 2024

Attackers can bypass authentication by exploiting missing audience claim validation in the Jenkins OpenId Connect plugin, potentially gaining administrator access.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2024-47806?

CVE-2024-47806 is a high-severity authentication bypass vulnerability in Jenkins OpenId Connect Authentication Plugin, published on 2 Oct 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Jenkins OpenId Connect Authentication Plugin 4.354.v321ce67a_1de8 and earlier does not check the `aud` (Audience) claim of an ID Token, allowing attackers to subvert the authentication flow, potentially gaining administrator access to Jenkins.

Weakness: CWE-287

Which versions are affected by CVE-2024-47806?

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

Package	Affected	Fixed in
`org.jenkins-ci.plugins:oic-auth` Maven	All versions	`4.355.v3a`
`org.jenkins-ci.plugins:oic-auth` Maven	All versions	`4.355.v3a`

Products include Jenkins Openid Connect Authentication.

How do I fix CVE-2024-47806?

Upgrade org.jenkins-ci.plugins:oic-auth to 4.355.v3a or later.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2024-47806 being exploited?

There is no known exploitation of CVE-2024-47806 in the wild and no public exploit code.

Sources

Also known as GHSA-49hx-9mm2-7675.