CVE-2012-3037 Hardcoded credentials in n/a

Medium 4.3 Published 25 Sep 2012 Updated 23 May 2025

Remote attackers can spoof the S7-1200 web server by exploiting a compromised private key in the SIMATIC CONTROLLER Certification Authority certificate.

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-2012-3037?

CVE-2012-3037 is a medium-severity vulnerability in n/a, published on 25 Sep 2012. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The Siemens SIMATIC S7-1200 2.x PLC does not properly protect the private key of the SIMATIC CONTROLLER Certification Authority certificate, which allows remote attackers to spoof the S7-1200 web server by using this key to create a forged certificate.

Weakness: CWE-295

Which versions are affected by CVE-2012-3037?

It affects 9 products.

Products include Siemens Simatic S7-1200 Cpu 1211c Firmware, Siemens Simatic S7-1200 Cpu 1212c Firmware, Siemens Simatic S7-1200 Cpu 1212fc Firmware, Siemens Simatic S7-1200 Cpu 1214 Fc Firmware, Siemens Simatic S7-1200 Cpu 1214c Firmware, Siemens Simatic S7-1200 Cpu 1215 Fc Firmware and 3 more.

How do I fix CVE-2012-3037?

No fix has been published for CVE-2012-3037 yet. Limit exposure of the affected software until one is available.

Is CVE-2012-3037 being exploited?

There is no known exploitation of CVE-2012-3037 in the wild and no public exploit code.

Sources

Also known as GHSA-cq39-26j4-6jcj.