CVE-2021-20336 Cross-site scripting in Tivoli Netcool/OMNIbus GUI

Medium 6.4 Published 11 Mar 2021 Updated 16 Sep 2024

Stored XSS in IBM Netcool GUI allows attackers to inject JavaScript, potentially stealing credentials from trusted sessions.

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-2021-20336?

CVE-2021-20336 is a medium-severity cross-site scripting vulnerability in IBM Tivoli Netcool/OMNIbus_GUI, published on 11 Mar 2021. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

IBM Tivoli Netcool/OMNIbus_GUI 8.1.0 is vulnerable to stored 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.

Weakness: CWE-79

Which versions are affected by CVE-2021-20336?

It affects 1 product.

Products include Ibm Tivoli Netcool\/Omnibus Webgui.

How do I fix CVE-2021-20336?

No fix has been published for CVE-2021-20336 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-2021-20336 being exploited?

There is no known exploitation of CVE-2021-20336 in the wild and no public exploit code.

Sources

Also known as GHSA-q6xf-cxm9-x3wg.