CVE-2021-36095 : What You Need to Know

A user enumeration vulnerability was identified in OTRS Community Edition and OTRS, allowing a malicious attacker to discover valid user logins through the 'lost password' feature. This CVE affects specific versions of OTRS products.

Understanding CVE-2021-36095

This section provides insights into the impact, technical details, and mitigation strategies related to CVE-2021-36095.

What is CVE-2021-36095?

The CVE-2021-36095 involves a vulnerability where an attacker can exploit the 'lost password' feature to enumerate valid user logins in OTRS AG ((OTRS)) Community Edition and OTRS version 7.0.x.

The Impact of CVE-2021-36095

The impact of this vulnerability is rated as medium with a CVSS v3.1 base score of 5.3. The confidentiality impact is low, integrity impact is none, and availability impact is non-existent.

Technical Details of CVE-2021-36095

This section details the vulnerability description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

A malicious actor can leverage the 'lost password' feature to expose valid user logins in OTRS Community Edition version 6.0.1 and later, as well as in OTRS version 7.0.28 and prior.

Affected Systems and Versions

The affected systems include ((OTRS)) Community Edition version 6.0.1 and OTRS version 7.0.28. Users using these versions are vulnerable to user enumeration attacks.

Exploitation Mechanism

Attackers can exploit the issue by utilizing the 'lost password' functionality to unveil legitimate user credentials, compromising system security.

Mitigation and Prevention

Learn about the immediate steps to take, long-term security practices, and the importance of patching and updates.

Immediate Steps to Take

Users are advised to update to OTRS version 7.0.29 to mitigate the user enumeration vulnerability. Regular monitoring and audit logs can help in detecting unauthorized access attempts.

Long-Term Security Practices

Implement robust password policies, conduct security awareness training, and employ multi-factor authentication to enhance system security and prevent unauthorized access.

Patching and Updates

Regularly apply security patches and updates provided by OTRS to address known vulnerabilities and ensure the security of your systems.