CVE-2018-11459 Privilege escalation in SINUMERIK 808D V4.7, SINUMERIK 808D V4.8, SINUMERIK 828D V4.7, SINUMERIK 840D sl V4.7, SINUMERIK 840D sl V4.8

Q: Is CVE-2018-11459 being exploited?

There is no known exploitation of CVE-2018-11459 in the wild and no public exploit code.

Q: How do I fix CVE-2018-11459?

No fix has been published for CVE-2018-11459 yet. Limit exposure of the affected software until one is available.

High 7.8 Published 12 Dec 2018 Updated 5 Aug 2024

A local attacker can modify a configuration file to execute arbitrary code with elevated privileges on Siemens SINUMERIK CNC controllers.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2018-11459?

CVE-2018-11459 is a high-severity vulnerability in Siemens AG SINUMERIK 808D V4.7, SINUMERIK 808D V4.8, SINUMERIK 828D V4.7, SINUMERIK 840D sl V4.7, SINUMERIK 840D sl V4.8, published on 12 Dec 2018. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A vulnerability has been identified in SINUMERIK 808D V4.7 (All versions), SINUMERIK 808D V4.8 (All versions), SINUMERIK 828D V4.7 (All versions < V4.7 SP6 HF1), SINUMERIK 840D sl V4.7 (All versions < V4.7 SP6 HF5), SINUMERIK 840D sl V4.8 (All versions < V4.8 SP3). A local attacker could modify a user-writeable configuration file so that after reboot or manual initiation the system reloads the modified configuration file and attacker-controlled code is executed with elevated privileges. The security vulnerability could be exploited by an attacker with local access to the affected system. Successful exploitation requires user privileges but no user interaction. The vulnerability could allow an attacker to compromise confidentiality, integrity and availability of the system. At the time of advisory publication no public exploitation of this security vulnerability was known.

Weakness: CWE-693

Which versions are affected by CVE-2018-11459?

It affects 5 products.

Products include Siemens Sinumerik 808d V4.7 Firmware, Siemens Sinumerik 808d V4.8 Firmware, Siemens Sinumerik 828d V4.7 Firmware, Siemens Sinumerik 840d Sl V4.7 Firmware, Siemens Sinumerik 840d Sl V4.8 Firmware.

How do I fix CVE-2018-11459?

No fix has been published for CVE-2018-11459 yet. Limit exposure of the affected software until one is available.

Is CVE-2018-11459 being exploited?

There is no known exploitation of CVE-2018-11459 in the wild and no public exploit code.

Sources

Also known as GHSA-x2jv-vf8g-79j6.