CVE-2023-0985 : What You Need to Know

An Authorization Bypass vulnerability impacting MB Connect Line's mbCONNECT24, mymbCONNECT24, and Helmholz's myREX24 and myREX24.virtual versions up to 2.13.3 was discovered. This vulnerability allows an authenticated remote user with low privileges to change the password of any user within the same account, potentially leading to the compromise of the admin user and complete account takeover.

Understanding CVE-2023-0985

This section delves into the specifics of the CVE-2023-0985 vulnerability.

What is CVE-2023-0985?

CVE-2023-0985 is an Authorization Bypass vulnerability found in MB Connect Line's mbCONNECT24, mymbCONNECT24, and Helmholz's myREX24 and myREX24.virtual versions up to 2.13.3. It enables a remote authenticated user with limited privileges to alter the password of any user within the same account.

The Impact of CVE-2023-0985

The impact of CVE-2023-0985 is significant, as it allows an attacker to take over the admin user's account following a password change, resulting in complete compromise of the affected account.

Technical Details of CVE-2023-0985

This section provides detailed technical information related to CVE-2023-0985.

Vulnerability Description

The vulnerability arises due to an Authorization Bypass Through User-Controlled Key (CWE-639), allowing unauthorized password modifications within affected products.

Affected Systems and Versions

Products affected include mbCONNECT24, mymbCONNECT24 by MB Connect Line, and myREX24, myREX24.virtual by Helmholz, with versions up to 2.13.3 being vulnerable to this exploit.

Exploitation Mechanism

An authenticated remote user with limited privileges can exploit the vulnerability to change passwords within the same account, potentially compromising higher privileged accounts.

Mitigation and Prevention

Understanding how to mitigate and prevent the CVE-2023-0985 vulnerability is crucial for ensuring system security.

Immediate Steps to Take

It is recommended to update the affected products to versions beyond 2.13.3 to patch the vulnerability and prevent potential exploitation.

Long-Term Security Practices

Implementing strong password policies and regularly updating software can mitigate the risk of similar authorization bypass vulnerabilities in the future.

Patching and Updates

Users and organizations should prioritize applying security patches and updates provided by MB Connect Line and Helmholz to address CVE-2023-0985 and enhance system security.