CVE-2020-4280 : What You Need to Know
Learn about CVE-2020-4280 affecting IBM QRadar SIEM versions 7.3 and 7.4, allowing remote attackers to execute arbitrary commands. Find mitigation steps and patching recommendations here.
IBM QRadar SIEM 7.3 and 7.4 are vulnerable to remote code execution due to insecure deserialization, potentially allowing attackers to execute arbitrary commands on the system.
Understanding CVE-2020-4280
IBM QRadar SIEM versions 7.3 and 7.4 are susceptible to a Java deserialization vulnerability that could be exploited by malicious actors to run unauthorized commands on the affected system.
What is CVE-2020-4280?
The vulnerability in IBM QRadar SIEM versions 7.3 and 7.4 enables remote attackers to execute arbitrary commands through the insecure deserialization of user-supplied content by the Java deserialization function.
The Impact of CVE-2020-4280
The vulnerability poses a medium severity risk with a CVSS base score of 6.3, potentially leading to unauthorized command execution on the system.
Technical Details of CVE-2020-4280
Vulnerability Description
- IBM QRadar SIEM 7.3 and 7.4 are prone to remote code execution due to insecure deserialization of user-supplied content by the Java deserialization function.
Affected Systems and Versions
- Affected Versions: 7.3.0, 7.3.3.Patch.4, 7.4.0, 7.4.1
Exploitation Mechanism
- Attack Vector: Network
- Attack Complexity: Low
- Privileges Required: Low
- User Interaction: None
- Exploit Code Maturity: Unproven
Mitigation and Prevention
Immediate Steps to Take
- Apply the official fix provided by IBM to address the vulnerability.
- Monitor IBM's security bulletin for updates and patches.
Long-Term Security Practices
- Regularly update and patch the IBM QRadar SIEM software to prevent security vulnerabilities.
- Implement network security measures to restrict unauthorized access.
Patching and Updates
- Ensure all IBM QRadar SIEM instances are updated with the latest security patches and fixes.