CVE-2018-7823 Other in SoMachine Basic and Modicon M221, SoMachine Basic, all versions Modicon M221, all references, all versions prior to firmware V1.10.0.0

Medium 5.3 Published 22 May 2019 Updated 5 Aug 2024

Remote attackers can trigger the launch of SoMachine Basic via crafted Ethernet messages, potentially leading to unauthorized execution in Schneider Electric industrial control systems.

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-2018-7823?

CVE-2018-7823 is a medium-severity vulnerability in SoMachine Basic and Modicon M221, SoMachine Basic, all versions Modicon M221, all references, all versions prior to firmware V1.10.0.0, published on 22 May 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A Environment (CWE-2) vulnerability exists in SoMachine Basic, all versions, and Modicon M221(all references, all versions prior to firmware V1.10.0.0) which could cause remote launch of SoMachine Basic when sending crafted ethernet message.

Which versions are affected by CVE-2018-7823?

It affects 2 products.

Products include Schneider-Electric Modicon M221 Firmware, Schneider-Electric Somachine Basic.

How do I fix CVE-2018-7823?

No fix has been published for CVE-2018-7823 yet. Limit exposure of the affected software until one is available.

Is CVE-2018-7823 being exploited?

There is no known exploitation of CVE-2018-7823 in the wild and no public exploit code.

Sources

Also known as GHSA-7424-xwr7-g6pc.