CVE-2021-20488 : Security Advisory and Response

IBM Security Identity Manager 6.0.2 could allow an authenticated malicious user to change the passwords of other users in the Windows AD environment when IBM Security Identity Manager Windows Password Synch Plug-in is deployed and configured. The CVSS score for this vulnerability is 7.5, indicating a high severity.

Understanding CVE-2021-20488

This section provides insights into the impact, technical details, and mitigation strategies related to CVE-2021-20488.

What is CVE-2021-20488?

CVE-2021-20488 is a vulnerability in IBM Security Identity Manager 6.0.2 that could permit an authenticated malicious user to modify passwords of other users in a Windows AD setting when coupled with the IBM Security Identity Manager Windows Password Synch Plug-in.

The Impact of CVE-2021-20488

The vulnerability has a CVSS base score of 7.5, denoting a high impact. An attacker with low privileges can exploit it to alter passwords of other users, leading to potential confidentiality breaches and integrity violations.

Technical Details of CVE-2021-20488

Understanding the specific aspects of the vulnerability aids in implementing effective countermeasures.

Vulnerability Description

The flaw in IBM Security Identity Manager 6.0.2 allows authenticated malicious users to change passwords of other users in a Windows AD environment.

Affected Systems and Versions

IBM Security Identity Manager version 6.0.2 is affected by this vulnerability when the Windows Password Synch Plug-in is in use.

Exploitation Mechanism

An authenticated attacker can exploit the vulnerability to manipulate the passwords of other users, jeopardizing data confidentiality and integrity.

Mitigation and Prevention

Taking immediate actions and adopting long-term security practices can thwart exploitation attempts and enhance overall system security.

Immediate Steps to Take

Organizations should disable or restrict access to the IBM Security Identity Manager Windows Password Synch Plug-in and monitor password change activities closely.

Long-Term Security Practices

Regular security training, access control reviews, and network segmentation can help mitigate similar vulnerabilities in the future.

Patching and Updates

IBM has released an official fix for the vulnerability. Organizations should promptly apply the necessary patches to address the issue and enhance system security.