CVE-2020-4200 : What You Need to Know
Learn about CVE-2020-4200 affecting IBM DB2 for Linux, UNIX, and Windows versions 10.5, 11.1, and 11.5. Find out the impact, technical details, and mitigation steps for this vulnerability.
IBM DB2 for Linux, UNIX, and Windows versions 10.5, 11.1, and 11.5 are vulnerable to a denial of service attack due to specially crafted commands.
Understanding CVE-2020-4200
IBM DB2 for Linux, UNIX, and Windows versions 10.5, 11.1, and 11.5 could allow an authenticated attacker to cause a denial of service.
What is CVE-2020-4200?
This CVE refers to a vulnerability in IBM DB2 for Linux, UNIX, and Windows versions 10.5, 11.1, and 11.5 that could be exploited by an authenticated attacker to trigger a denial of service by sending specially crafted commands.
The Impact of CVE-2020-4200
The vulnerability has a CVSS base score of 6.5 (Medium severity) with a high impact on availability. An attacker can exploit this issue to disrupt the service of affected systems.
Technical Details of CVE-2020-4200
IBM DB2 for Linux, UNIX, and Windows versions 10.5, 11.1, and 11.5 are susceptible to a denial of service vulnerability.
Vulnerability Description
An authenticated attacker can exploit the vulnerability by sending specially crafted commands to the affected DB2 versions, leading to a denial of service condition.
Affected Systems and Versions
- Product: DB2 for Linux- UNIX and Windows
- Vendor: IBM
- Vulnerable Versions: 10.5, 11.1, 11.5
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Network
- Privileges Required: Low
- User Interaction: None
- Exploit Code Maturity: Unproven
Mitigation and Prevention
Immediate action and long-term security practices are crucial to mitigate the risk posed by CVE-2020-4200.
Immediate Steps to Take
- Apply official fixes provided by IBM to address the vulnerability.
- Monitor for any unusual network activity that could indicate exploitation attempts.
Long-Term Security Practices
- Regularly update and patch IBM DB2 installations to prevent known vulnerabilities.
- Implement network segmentation and access controls to limit the impact of potential attacks.
- Conduct security training for personnel to recognize and respond to security incidents.
Patching and Updates
- IBM has released official fixes to address the vulnerability in DB2 for Linux, UNIX, and Windows versions 10.5, 11.1, and 11.5.