CVE-2018-1672 Auth bypass in WebSphere Portal

Medium 5.0 Published 1 Oct 2018 Updated 17 Sep 2024

Attackers can impersonate other users due to incorrect user context handling in IBM WebSphere Portal, leading to unauthorized access and privilege escalation.

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-2018-1672?

CVE-2018-1672 is a medium-severity authentication bypass vulnerability in Ibm Websphere Portal, published on 1 Oct 2018. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

IBM WebSphere Portal 7.0, 8.0, 8.5, and 9.0 may fail to set the correct user context in certain impersonation scenarios, which can allow a user to act with the identity of a different user. IBM X-Force ID: 144958.

Weakness: CWE-287

Which versions are affected by CVE-2018-1672?

It affects 1 product.

Products include Ibm Websphere Portal.

How do I fix CVE-2018-1672?

No fix has been published for CVE-2018-1672 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-2018-1672 being exploited?

There is no known exploitation of CVE-2018-1672 in the wild and no public exploit code.

All Ibm Websphere Portal vulnerabilities

Sources

Also known as GHSA-c3vc-j27v-38gp.