CVE-2017-12739 Code injection in Siemens SICAM RTUs SM-2556 COM Modules with the firmware variants ENOS00, ERAC00, ETA2, ETLS00, MODi00, and DNPi00

Critical 9.8 Published 15 Nov 2017 Updated 5 Aug 2024

Unauthenticated remote attackers can execute arbitrary code on Siemens SICAM RTU COM modules via the integrated web server.

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-2017-12739?

CVE-2017-12739 is a critical code injection vulnerability in Siemens SICAM RTUs SM-2556 COM Modules with the firmware variants ENOS00, ERAC00, ETA2, ETLS00, MODi00, and DNPi00, published on 15 Nov 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue was discovered on Siemens SICAM RTUs SM-2556 COM Modules with the firmware variants ENOS00, ERAC00, ETA2, ETLS00, MODi00, and DNPi00. The integrated web server (port 80/tcp) of the affected devices could allow unauthenticated remote attackers to execute arbitrary code on the affected device.

Weakness: CWE-1188

Which versions are affected by CVE-2017-12739?

It affects 1 product.

Products include Siemens Sm-2556 Firmware.

How do I fix CVE-2017-12739?

No fix has been published for CVE-2017-12739 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2017-12739 being exploited?

There is no known exploitation of CVE-2017-12739 in the wild and no public exploit code.

Sources

Also known as GHSA-m3j7-g6v4-2mp3.