CVE-2020-4495 Auth bypass in Engineering Lifecycle Optimization

High 8.8 Published 2 Jun 2021 Updated 16 Sep 2024

Remote attackers can bypass access controls via REST API to execute arbitrary actions with administrative privileges in IBM Engineering products.

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-2020-4495?

CVE-2020-4495 is a high-severity authentication bypass vulnerability in Ibm Rational Doors Next Generation, published on 2 Jun 2021. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

IBM Jazz Foundation and IBM Engineering products could allow a remote attacker to bypass security restrictions, caused by improper access control. By sending a specially-crafted request to the REST API, an attacker could exploit this vulnerability to bypass access restrictions, and execute arbitrary actions with administrative privileges. IBM X-Force ID: 182114.

Which versions are affected by CVE-2020-4495?

It affects 9 products.

Products include Ibm Collaborative Lifecycle Management, Ibm Engineering Lifecycle Management, Ibm Engineering Lifecycle Optimization - Engineering Insights, Ibm Engineering Lifecycle Optimization - Publishing, Ibm Engineering Test Management, Ibm Rational Doors Next Generation and 3 more.

How do I fix CVE-2020-4495?

No fix has been published for CVE-2020-4495 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-2020-4495 being exploited?

There is no known exploitation of CVE-2020-4495 in the wild and no public exploit code.

All Ibm Rational Doors Next Generation vulnerabilities

Sources

Also known as GHSA-5wv5-m844-q857.