CVE-2020-4520 : What You Need to Know

IBM Cognos Analytics versions 11.0 and 11.1 are susceptible to a remote code injection vulnerability that could allow an attacker to execute malicious HTML code. This CVE was published on May 28, 2021, by IBM.

Understanding CVE-2020-4520

This section provides insights into the nature and impact of the CVE-2020-4520 vulnerability.

What is CVE-2020-4520?

CVE-2020-4520 is a security vulnerability in IBM Cognos Analytics versions 11.0 and 11.1 that enables a remote attacker to inject and execute malicious HTML code when viewed by an authenticated user.

The Impact of CVE-2020-4520

The vulnerability poses a high risk as it allows attackers to execute arbitrary code on the victim's system, potentially leading to unauthorized access and data compromise.

Technical Details of CVE-2020-4520

Explore the technical aspects of the CVE-2020-4520 vulnerability.

Vulnerability Description

The vulnerability in IBM Cognos Analytics versions 11.0 and 11.1 permits remote attackers to inject malicious HTML code, which, upon viewing by an authenticated user, can execute the injected code.

Affected Systems and Versions

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

Exploitation Mechanism

Attack Complexity: High
Attack Vector: Network
Privileges Required: Low
User Interaction: Required
Exploit Code Maturity: Unproven
Impact: High

Mitigation and Prevention

Learn how to mitigate the risks associated with CVE-2020-4520.

Immediate Steps to Take

Apply the official fix provided by IBM to address the vulnerability.
Educate users about the risks of executing code from untrusted sources.

Long-Term Security Practices

Regularly update and patch IBM Cognos Analytics to prevent known vulnerabilities.
Implement security best practices to mitigate the risk of code injection attacks.

Patching and Updates

Ensure that your IBM Cognos Analytics software is up to date with the latest security patches and updates.