CVE-2021-29856 Denial of service in Tivoli Netcool/OMNIbus

Medium 6.5 Published 20 Sep 2021 Updated 17 Sep 2024

An authenticated user can cause a denial of service in IBM Tivoli Netcool/OMNIbus_GUI via the WebGUI Map Creation page.

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-2021-29856?

CVE-2021-29856 is a medium-severity denial of service vulnerability in IBM Tivoli Netcool/OMNIbus, published on 20 Sep 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 could allow an authenticated usre to cause a denial of service through the WebGUI Map Creation page. IBM X-Force ID: 205685.

Which versions are affected by CVE-2021-29856?

It affects 1 product.

Products include Ibm Tivoli Netcool\/Omnibus Webgui.

How do I fix CVE-2021-29856?

No fix has been published for CVE-2021-29856 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2021-29856 being exploited?

There is no known exploitation of CVE-2021-29856 in the wild and no public exploit code.

Sources

Also known as GHSA-j6h9-6xvv-v8ph.