CVE-2021-29856 Explained : Impact and Mitigation

IBM Tivoli Netcool/OMNIbus_GUI 8.1.0, a product by IBM, has a vulnerability that could allow an authenticated user to launch a denial of service attack through the WebGUI Map Creation page. The CVSS base score for this vulnerability is 6.5 (Medium Severity). This CVE was published on September 19, 2021.

Understanding CVE-2021-29856

This section will cover the impact, technical details, and mitigation strategies related to CVE-2021-29856.

What is CVE-2021-29856?

CVE-2021-29856 affects IBM Tivoli Netcool/OMNIbus_GUI 8.1.0, potentially leading to a denial of service if exploited by an authenticated user through the WebGUI Map Creation page.

The Impact of CVE-2021-29856

The vulnerability poses a threat of a denial of service attack, impacting the availability of the affected system and potentially disrupting operations.

Technical Details of CVE-2021-29856

Let's delve into the specifics of the vulnerability.

Vulnerability Description

IBM Tivoli Netcool/OMNIbus_GUI 8.1.0 allows an authenticated user to trigger a denial of service via the WebGUI Map Creation page.

Affected Systems and Versions

The vulnerability affects IBM Tivoli Netcool/OMNIbus 8.1.0 version.

Exploitation Mechanism

The vulnerability can be exploited by an authenticated user interacting with the WebGUI Map Creation page to cause a denial of service.

Mitigation and Prevention

Here are the recommended steps to mitigate and prevent exploitation of CVE-2021-29856.

Immediate Steps to Take

IBM recommends applying the official fix provided by the vendor to address this vulnerability.

Long-Term Security Practices

Regular monitoring of security bulletins and updates from IBM for any security patches related to Netcool/OMNIbus.

Patching and Updates

Ensure that the affected system is up to date with the latest patches and security updates released by IBM.