CVE-2020-27831 Missing authorization in quay

Medium 4.3 Published Updated

Attackers can add unauthorized email addresses to repository notifications due to improper authorization token protection in Red Hat Quay.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2020-27831?

CVE-2020-27831 is a medium-severity missing authorization vulnerability in quay, published on 26 May 2021. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A flaw was found in Red Hat Quay, where it does not properly protect the authorization token when authorizing email addresses for repository email notifications. This flaw allows an attacker to add email addresses they do not own to repository notifications.

Weakness: CWE-522, CWE-284

Which versions are affected by CVE-2020-27831?

It affects 1 product.

Products include Redhat Quay.

How do I fix CVE-2020-27831?

No fix has been published for CVE-2020-27831 yet. Limit exposure of the affected software until one is available.

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

Is CVE-2020-27831 being exploited?

There is no known exploitation of CVE-2020-27831 in the wild and no public exploit code.

Sources

Also known as GHSA-3mxm-3qx9-6gq2.

Is CVE-2020-27831 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free