CVE-2021-29863 : Security Advisory and Response

IBM QRadar SIEM versions 7.3 and 7.4 are susceptible to a server-side request forgery (SSRF) vulnerability, enabling authenticated attackers to send unauthorized requests, potentially leading to network enumeration or other malicious activities. The issue is caused by an incomplete fix for CVE-2020-4786.

Understanding CVE-2021-29863

This section delves deeper into the impact and technical aspects of the CVE.

What is CVE-2021-29863?

IBM QRadar SIEM versions 7.3 and 7.4 have a vulnerability that allows SSRF attacks, empowering authenticated adversaries to send unauthorized requests and potentially perform various malicious actions.

The Impact of CVE-2021-29863

The vulnerability could result in network enumeration and facilitate other attacks, posing a security risk to affected systems and potentially compromising sensitive information.

Technical Details of CVE-2021-29863

Explore the specific technical details and implications of this CVE.

Vulnerability Description

The SSRF vulnerability in IBM QRadar SIEM affects versions 7.3 and 7.4, enabling attackers to send unauthorized requests from the system.

Affected Systems and Versions

Product: QRadar SIEM
Vendor: IBM
Vulnerable Versions: 7.3, 7.4

Exploitation Mechanism

The vulnerability arises from an incomplete fix for a previous CVE (CVE-2020-4786), allowing attackers to carry out SSRF attacks with low complexity and network access.

Mitigation and Prevention

Learn how to address and mitigate the risks associated with CVE-2021-29863.

Immediate Steps to Take

Apply official fixes provided by IBM to address the vulnerability promptly.
Monitor and restrict network access to vulnerable systems to mitigate exploitation risks.

Long-Term Security Practices

Conduct regular security assessments and updates to identify and address vulnerabilities proactively.
Educate system users on the risks of SSRF attacks and recommend best practices to enhance security awareness.

Patching and Updates

Stay informed about security bulletins and updates from IBM to patch known vulnerabilities and strengthen the security posture of QRadar SIEM.