CVE-2021-39002 : Vulnerability Insights and Analysis

IBM DB2 for Linux, UNIX and Windows versions 9.7, 10.1, 10.5, 11.1, and 11.5 are affected by a vulnerability related to weak cryptographic algorithms that can potentially lead to the decryption of highly sensitive information.

Understanding CVE-2021-39002

CVE-2021-39002 is a Medium severity vulnerability affecting IBM DB2 for Linux, UNIX, and Windows

What is CVE-2021-39002?

IBM DB2 for Linux, UNIX and Windows versions 9.7, 10.1, 10.5, 11.1, and 11.5 utilize weaker than expected cryptographic algorithms.

The Impact of CVE-2021-39002

CVSS Base Score: 5.9 (Medium)
Attack Vector: Network
Confidentiality Impact: High
Attack Complexity: High
Exploit Code Maturity: Unproven
Users' interaction: None
It could allow attackers to decrypt highly sensitive information.

Technical Details of CVE-2021-39002

CVE-2021-39002 is characterized by the following technical details:

Vulnerability Description

IBM DB2 for Linux, UNIX and Windows versions 9.7, 10.1, 10.5, 11.1, and 11.5 use weaker than expected cryptographic algorithms.

Affected Systems and Versions

Affected Versions: 9.7, 10.1, 10.5, 11.1, 11.5
Products: DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) by IBM

Exploitation Mechanism

Attack Complexity: High
Attack Vector: Network
Privileges Required: None
Scope: Unchanged

Mitigation and Prevention

Steps to address and prevent the CVE-2021-39002 vulnerability:

Immediate Steps to Take

Apply official fixes provided by IBM.
Ensure sensitive data is encrypted using strong cryptographic algorithms.

Long-Term Security Practices

Regularly update to the latest versions of IBM DB2 software.
Implement strong encryption protocols and standards for data protection.

Patching and Updates

Keep DB2 for Linux, UNIX and Windows up to date with the latest security patches and fixes.