CVE-2021-20504 Cross-site scripting in Engineering Lifecycle Optimization

Medium 5.4 Published 30 Mar 2021 Updated 17 Sep 2024

Attackers can inject JavaScript into the Web UI to steal credentials from trusted sessions in IBM Jazz Foundation products.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2021-20504?

CVE-2021-20504 is a medium-severity cross-site scripting vulnerability in Ibm Rational Engineering Lifecycle Manager, published on 30 Mar 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

IBM Jazz Foundation Products are vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session. IBM X-Force ID: 198231.

Weakness: CWE-79

Which versions are affected by CVE-2021-20504?

It affects 6 products.

Products include Ibm Engineering Insights, Ibm Engineering Lifecycle Management, Ibm Engineering Requirements Quality Assistant On-Premises, Ibm Engineering Workflow Management, Ibm Rational Engineering Lifecycle Manager, Ibm Rational Team Concert.

How do I fix CVE-2021-20504?

No fix has been published for CVE-2021-20504 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2021-20504 being exploited?

There is no known exploitation of CVE-2021-20504 in the wild and no public exploit code.

All Ibm Rational Engineering Lifecycle Manager vulnerabilities

Sources

Also known as GHSA-qv2v-xpfq-5vjf.