CVE-2020-4377 : Vulnerability Insights and Analysis

IBM Cognos Analytics 11.0 and 11.1 is vulnerable to an XML External Entity Injection (XXE) attack, potentially exposing sensitive information or causing resource consumption.

Understanding CVE-2020-4377

IBM Cognos Analytics versions 11.0 and 11.1 are susceptible to an XXE attack, posing a high severity risk.

What is CVE-2020-4377?

IBM Cognos Analytics 11.0 and 11.1 are prone to an XXE attack, allowing remote threat actors to exploit XML data processing vulnerabilities.

The Impact of CVE-2020-4377

Attack Complexity: Low
Attack Vector: Network
Base Score: 8.2 (High)
Confidentiality Impact: High
Availability Impact: Low
Temporal Score: 7.1 (High)
Exploit Code Maturity: Unproven
Scope: Unchanged
Vulnerability could lead to exposure of sensitive data or resource exhaustion.

Technical Details of CVE-2020-4377

IBM Cognos Analytics 11.0 and 11.1 are affected by an XXE vulnerability.

Vulnerability Description

XML External Entity Injection (XXE) vulnerability in XML data processing.

Affected Systems and Versions

Product: Cognos Analytics
Vendor: IBM
Vulnerable Versions: 11.0, 11.1

Exploitation Mechanism

Remote attackers can exploit the XXE vulnerability to access sensitive information or disrupt system availability.

Mitigation and Prevention

Immediate Steps to Take:

Apply official fixes provided by IBM.
Monitor IBM's security bulletins for updates. Long-Term Security Practices:
Regularly update and patch IBM Cognos Analytics.
Implement network security measures to prevent unauthorized access.
Conduct security assessments to identify and mitigate vulnerabilities.