CVE-2021-39028 : Security Advisory and Response

IBM Engineering Lifecycle Optimization - Publishing versions 6.0.6, 6.0.6.1, 7.0, 7.0.1, and 7.0.2 are vulnerable to HTTP header injection, potentially leading to various attacks. Here's what you should know about this CVE.

Understanding CVE-2021-39028

This section provides an overview of the vulnerability, its impact, and technical details.

What is CVE-2021-39028?

CVE-2021-39028 is a vulnerability in IBM Engineering Lifecycle Optimization - Publishing that allows attackers to manipulate HOST headers, leading to potential security risks.

The Impact of CVE-2021-39028

The vulnerability can result in various attacks on the affected system, such as cross-site scripting, cache poisoning, or session hijacking. The CVSS base score is 5.4 (Medium severity).

Technical Details of CVE-2021-39028

Explore the specific technical aspects of the CVE to understand its implications better.

Vulnerability Description

The vulnerability arises due to inadequate HOST header input validation, opening doors for attackers to exploit the system for malicious activities.

Affected Systems and Versions

Product: IBM Engineering Lifecycle Optimization Publishing
Versions Affected: 6.0.6, 6.0.6.1, 7.0, 7.0.1, 7.0.2

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Privileges Required: Low
User Interaction: None
Exploit Code Maturity: Unproven
CVSS: 3.0/C:L/PR:L/I:L/UI:N/A:N/AV:N/S:U/AC:L/RL:O/E:U/RC:C

Mitigation and Prevention

Learn how to mitigate the risks associated with CVE-2021-39028.

Immediate Steps to Take

Apply official fixes provided by IBM
Monitor IBM Security Bulletin for updates

Long-Term Security Practices

Regularly update and patch IBM Engineering Lifecycle Optimization Publishing
Implement secure coding practices and input validation

Patching and Updates

Ensure timely installation of patches and updates from IBM