CVE-2021-37193 Business logic in SINEMA Remote Connect Server

Q: Is CVE-2021-37193 being exploited?

There is no known exploitation of CVE-2021-37193 in the wild and no public exploit code.

Q: How do I fix CVE-2021-37193?

No fix has been published for CVE-2021-37193 yet. Limit exposure of the affected software until one is available.

Medium 4.3 Published 14 Sep 2021 Updated 23 Apr 2025

An unauthenticated attacker can manipulate user validity parameters to bypass authentication controls in Siemens SINEMA Remote Connect Server.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2021-37193?

CVE-2021-37193 is a medium-severity vulnerability in Siemens Sinema Remote Connect Server, published on 14 Sep 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A vulnerability has been identified in SINEMA Remote Connect Server (All versions < V3.0 SP2). An unauthenticated attacker in the same network of the affected system could manipulate certain parameters and set a valid user of the affected software as invalid (or vice-versa).

Weakness: CWE-471

Which versions are affected by CVE-2021-37193?

It affects 1 product.

Products include Siemens Sinema Remote Connect Server.

How do I fix CVE-2021-37193?

No fix has been published for CVE-2021-37193 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-37193 being exploited?

There is no known exploitation of CVE-2021-37193 in the wild and no public exploit code.

All Siemens Sinema Remote Connect Server vulnerabilities

Sources

Also known as GHSA-6853-5v4j-v7vg.