CVE-2021-37190 : What You Need to Know

A vulnerability has been identified in SINEMA Remote Connect Server (All versions < V3.0 SP2) that could allow an attacker to retrieve VPN connections for a known user.

Understanding CVE-2021-37190

This CVE refers to an information disclosure vulnerability in Siemens' SINEMA Remote Connect Server, affecting all versions below V3.0 SP2.

What is CVE-2021-37190?

The vulnerability in SINEMA Remote Connect Server allows unauthorized actors to access VPN connections of known users, posing a risk of exposing sensitive information.

The Impact of CVE-2021-37190

The impact of this vulnerability is the potential exposure of sensitive information to attackers who could exploit the information disclosure flaw.

Technical Details of CVE-2021-37190

The vulnerability allows attackers to retrieve VPN connections for a known user within affected versions of SINEMA Remote Connect Server.

Vulnerability Description

CVE-2021-37190 is categorized under CWE-200, which involves the exposure of sensitive information to an unauthorized actor.

Affected Systems and Versions

SINEMA Remote Connect Server versions below V3.0 SP2 are affected by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability to retrieve VPN connections assigned to specific users and gain unauthorized access to sensitive data.

Mitigation and Prevention

To mitigate the risks associated with CVE-2021-37190, follow the below steps:

Immediate Steps to Take

Update SINEMA Remote Connect Server to V3.0 SP2 or later.
Monitor network traffic for any suspicious activities.

Long-Term Security Practices

Implement access controls and user authentication mechanisms.
Regularly audit and review VPN configurations for security gaps.

Patching and Updates

Stay proactive with security patches and updates from Siemens to ensure protection against known vulnerabilities.