CVE-2018-19367 Auth bypass in n/a

Critical 9.8 Published 20 Nov 2018 Updated 16 Sep 2024

Attackers can set an admin password if the admin user is not yet created, leading to unauthorized administrative access.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2018-19367?

CVE-2018-19367 is a critical authentication bypass vulnerability in n/a, published on 20 Nov 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Portainer through 1.19.2 provides an API endpoint (/api/users/admin/check) to verify that the admin user is already created. This API endpoint will return 404 if admin was not created and 204 if it was already created. Attackers can set an admin password in the 404 case.

Which versions are affected by CVE-2018-19367?

It affects 1 product.

Products include Portainer Portainer.

How do I fix CVE-2018-19367?

No fix has been published for CVE-2018-19367 yet. Limit exposure of the affected software until one is available.

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

Is CVE-2018-19367 being exploited?

There is no known exploitation of CVE-2018-19367 in the wild and no public exploit code.

Sources

Also known as GHSA-2mq6-rxq2-qgxv.