CVE-2019-6837 Server-side request forgery in U.motion Server

Critical 9.1 Published 17 Sep 2019 Updated 4 Aug 2024

An attacker can exploit SSRF in U.motion Server to expose server configuration data by modifying a URL.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2019-6837?

CVE-2019-6837 is a critical server-side request forgery vulnerability in CVE-2019-6837 U.motion Server, published on 17 Sep 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A Server-Side Request Forgery (SSRF): CWE-918 vulnerability exists in U.motion Server (MEG6501-0001 - U.motion KNX server, MEG6501-0002 - U.motion KNX Server Plus, MEG6260-0410 - U.motion KNX Server Plus, Touch 10, MEG6260-0415 - U.motion KNX Server Plus, Touch 15), which could cause server configuration data to be exposed when an attacker modifies a URL.

Weakness: CWE-918

Which versions are affected by CVE-2019-6837?

It affects 4 products.

Products include Schneider-Electric Meg6260-0410 Firmware, Schneider-Electric Meg6260-0415 Firmware, Schneider-Electric Meg6501-0001 Firmware, Schneider-Electric Meg6501-0002 Firmware.

How do I fix CVE-2019-6837?

No fix has been published for CVE-2019-6837 yet. Limit exposure of the affected software until one is available.

Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.

Is CVE-2019-6837 being exploited?

There is no known exploitation of CVE-2019-6837 in the wild and no public exploit code.

Sources

Also known as GHSA-9rm4-cc6f-8pq7.