CVE-2018-11462 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-2018-11462 being exploited?

There is no known exploitation of CVE-2018-11462 in the wild and no public exploit code.

Q: How do I fix CVE-2018-11462?

No fix has been published for CVE-2018-11462 yet. Limit exposure of the affected software until one is available.

Critical 9.8 Published 12 Dec 2018 Updated 5 Aug 2024

Remote attackers can escalate privileges to an elevated user account on Siemens SINUMERIK CNC controllers via crafted authentication requests.

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-2018-11462?

CVE-2018-11462 is a critical 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. An attacker can exploit it over the internet without logging in, 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). By sending a specially crafted authentication request to the affected systems a remote attacker could escalate his privileges to an elevated user account but not to root. The security vulnerability could be exploited by an attacker with network access to the affected systems. Successful exploitation requires no privileges and 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-264

Which versions are affected by CVE-2018-11462?

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-2018-11462?

No fix has been published for CVE-2018-11462 yet. Limit exposure of the affected software until one is available.

Is CVE-2018-11462 being exploited?

There is no known exploitation of CVE-2018-11462 in the wild and no public exploit code.

Sources

Also known as GHSA-mp2x-mrhw-2326.