CVE-2021-39088 : Security Advisory and Response
Learn about CVE-2021-39088 impacting IBM QRadar SIEM versions 7.3, 7.4, and 7.5. Understand the high impact, technical details, and necessary steps for mitigation and prevention.
IBM QRadar SIEM 7.3, 7.4, and 7.5 is vulnerable to local privilege escalation leading to high impact. Learn about the details, impact, and mitigation.
Understanding CVE-2021-39088
IBM QRadar SIEM versions 7.3, 7.4, and 7.5 are affected by a privilege escalation vulnerability with a high base severity score of 7.4.
What is CVE-2021-39088?
The vulnerability in IBM QRadar SIEM could allow local users to escalate privileges when combined with unknown vulnerabilities, potentially resulting in privilege escalation.
The Impact of CVE-2021-39088
The vulnerability has a high impact on confidentiality, integrity, and availability, with a CVSS base score of 7.4 (high severity) and a temporal score of 6.4 (medium severity).
Technical Details of CVE-2021-39088
The technical details provide insight into the vulnerability, affected systems, versions, and exploitation mechanism.
Vulnerability Description
- Attack Complexity: High
- Attack Vector: Local
- Impact: High impact on confidentiality, integrity, availability
- Exploit Code Maturity: Unproven
Affected Systems and Versions
- Product: IBM QRadar SIEM
- Versions: 7.3, 7.4, 7.5
- Status: Affected
Exploitation Mechanism
This vulnerability allows local users to perform privilege escalation, posing a significant threat to affected systems.
Mitigation and Prevention
It is crucial to take immediate steps to mitigate the impact of the vulnerability and implement long-term security measures.
Immediate Steps to Take
- Apply official fixes provided by IBM
- Monitor system logs for any suspicious activities
- Limit user privileges to reduce the risk of exploitation
Long-Term Security Practices
- Regularly update and patch the QRadar SIEM software
- Conduct security training for users to enhance awareness
- Implement least privilege principles to restrict user access
Patching and Updates
- Install the latest security patches released by IBM
- Stay informed about security bulletins and advisories for QRadar SIEM
- Conduct regular security assessments to identify and address potential vulnerabilities