CVE-2021-32541 Explained : Impact and Mitigation

A vulnerability has been identified in the CTS Web transaction system, affecting authentication and session management provided by SysJust. This vulnerability could lead to a denial of service for users, allowing attackers to force logged-in accounts to log out.

Understanding CVE-2021-32541

This section provides an insight into the details of the CVE-2021-32541 vulnerability.

What is CVE-2021-32541?

The CTS Web transaction system implemented by SysJust has an authentication and session management flaw, enabling remote unauthenticated attackers to send numerous valid usernames. This activity forces logged-in accounts to log out, resulting in a denial of service for users.

The Impact of CVE-2021-32541

The impact of this vulnerability is rated as MEDIUM with a CVSS base score of 5.3. The confidentiality and integrity of the system are not compromised, but availability is affected.

Technical Details of CVE-2021-32541

Explore the specific technical aspects related to CVE-2021-32541.

Vulnerability Description

The vulnerability arises from the incorrect implementation of authentication and session management in the CTS Web system.

Affected Systems and Versions

The affected product is CTS Web by SysJust with versions up to and including 2021.3.25.

Exploitation Mechanism

Remote unauthenticated attackers can exploit this vulnerability by flooding the system with valid usernames, triggering a logout for logged-in users.

Mitigation and Prevention

Learn about the steps to mitigate and prevent the CVE-2021-32541 vulnerability.

Immediate Steps to Take

Users are advised to update the CTS Web system to a version released after 2021.3.25 to prevent exploitation.

Long-Term Security Practices

Implement robust authentication and session management practices to enhance the security of the system.

Patching and Updates

Regularly check for updates and apply patches to address known vulnerabilities and enhance system security.