CVE-2021-36721 Explained : Impact and Mitigation

A detailed overview of CVE-2021-36721, involving a vulnerability in Sysaid API that allows unauthorized access to user information.

Understanding CVE-2021-36721

This section delves into the nature and impact of the vulnerability.

What is CVE-2021-36721?

The CVE-2021-36721 vulnerability in SysAid API before version 21.3.60 allows attackers to perform user enumeration, resulting in unauthorized access to user names from the LDAP server.

The Impact of CVE-2021-36721

The impact is rated as MEDIUM with a CVSS base score of 4.4. The attack complexity is LOW, requiring no privileges, and user interaction is required. Confidentiality and integrity impacts are LOW.

Technical Details of CVE-2021-36721

A closer look at the technical aspects of the vulnerability.

Vulnerability Description

The vulnerability allows attackers to send requests to specific API paths without authorization before version 21.3.60, enabling them to extract user names from the LDAP server.

Affected Systems and Versions

SysAid API version 20.4.74 is affected by this vulnerability.

Exploitation Mechanism

Attackers exploit this vulnerability by sending unauthorized requests to specific API paths, allowing them to retrieve user information from the LDAP server.

Mitigation and Prevention

Best practices to mitigate and prevent exploitation of CVE-2021-36721.

Immediate Steps to Take

Users are advised to update the SysAid API to version 21.3.60 to patch the vulnerability and prevent unauthorized access to user information.

Long-Term Security Practices

Implement access controls, authentication mechanisms, and regular security updates to enhance overall system security.

Patching and Updates

Regularly monitor for security patches and updates released by SysAid to address vulnerabilities and improve system security.