CVE-2021-29776 Explained : Impact and Mitigation

A detailed analysis of CVE-2021-29776, a vulnerability in IBM QRadar SIEM products that could allow an authenticated user to access sensitive information from another user's dashboard.

Understanding CVE-2021-29776

This section delves into the impact, technical details, and mitigation strategies related to CVE-2021-29776.

What is CVE-2021-29776?

IBM QRadar SIEM versions 7.3, 7.4, and 7.5 are susceptible to an information disclosure vulnerability that could enable an authenticated user to retrieve sensitive data from the dashboard of another user by leveraging the dashboard ID.

The Impact of CVE-2021-29776

With a CVSS base score of 3.1, this low-severity vulnerability could compromise the confidentiality of user data, although the exploit code's maturity is unproven. The vulnerability requires low privileges and has a medium report confidence score.

Technical Details of CVE-2021-29776

This section provides deeper insights into the vulnerability, including its description, affected systems and versions, and exploitation mechanism.

Vulnerability Description

The vulnerability in IBM QRadar SIEM allows an attacker to access sensitive information from a different user's dashboard if they possess the user's dashboard ID, potentially leading to data breaches.

Affected Systems and Versions

IBM QRadar SIEM versions 7.3.3, 7.4.3, and 7.5.0 are affected by this vulnerability, highlighting the importance of applying security patches promptly.

Exploitation Mechanism

By knowing the dashboard ID of a targeted user, an authenticated attacker can exploit this vulnerability to extract sensitive data from the victim's dashboard.

Mitigation and Prevention

In this section, learn about the immediate steps to take, long-term security practices, and the significance of patching and updates to safeguard systems.

Immediate Steps to Take

To mitigate the risk posed by CVE-2021-29776, users are advised to monitor dashboard access closely, restrict privileges, and implement network segmentation.

Long-Term Security Practices

Establishing a robust access control policy, conducting regular security audits, and providing security awareness training can fortify defenses against similar vulnerabilities in the long run.

Patching and Updates

IBM has released official fixes for the affected versions of QRadar SIEM, emphasizing the importance of promptly applying security patches to address CVE-2021-29776.