CVE-2017-12738 Cross-site scripting in Siemens SICAM RTUs SM-2556 COM Modules with the firmware variants ENOS00, ERAC00, ETA2, ETLS00, MODi00, and DNPi00

Medium 6.1 Published 15 Nov 2017 Updated 5 Aug 2024

Cross-site scripting vulnerability in Siemens SICAM RTU web server allows attackers to execute scripts in user browsers via malicious links.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2017-12738?

CVE-2017-12738 is a medium-severity cross-site scripting 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, and only if a user opens a file or follows a link.

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 Cross-Site Scripting (XSS) attacks if unsuspecting users are tricked into clicking on a malicious link.

Weakness: CWE-79

Which versions are affected by CVE-2017-12738?

It affects 1 product.

Products include Siemens Sm-2556 Firmware.

How do I fix CVE-2017-12738?

No fix has been published for CVE-2017-12738 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2017-12738 being exploited?

There is no known exploitation of CVE-2017-12738 in the wild and no public exploit code.

Sources

Also known as GHSA-pqm2-rcwc-h6q3.