CVE-2021-20340 Cross-site scripting in Engineering Lifecycle Optimization

Medium 5.4 Published 4 Mar 2021 Updated 16 Sep 2024

Attackers can inject arbitrary JavaScript into the Web UI, potentially disclosing credentials within a trusted session.

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-2021-20340?

CVE-2021-20340 is a medium-severity cross-site scripting vulnerability in Ibm Rational Doors Next Generation, published on 4 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 Engineering 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: 194451.

Weakness: CWE-79

Which versions are affected by CVE-2021-20340?

It affects 9 products.

Products include Ibm Doors Next, Ibm Engineering Lifecycle Management, Ibm Engineering Requirements Quality Assistant On-Premises, Ibm Engineering Test Management, Ibm Engineering Workflow Management, Ibm Global Configuration Management and 3 more.

How do I fix CVE-2021-20340?

No fix has been published for CVE-2021-20340 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-2021-20340 being exploited?

There is no known exploitation of CVE-2021-20340 in the wild and no public exploit code.

All Ibm Rational Doors Next Generation vulnerabilities

Sources

Also known as GHSA-2fqp-gw29-6924.