CVE-2023-46283 Memory corruption in Opcenter Execution Foundation

Q: Is CVE-2023-46283 being exploited?

There is no known exploitation of CVE-2023-46283 in the wild and no public exploit code.

Q: How do I fix CVE-2023-46283?

No fix has been published for CVE-2023-46283 yet. Limit exposure of the affected software until one is available.

High 7.5 Published 12 Dec 2023 Updated 14 Jan 2025

An attacker can crash Siemens industrial applications via a buffer overflow on port 4002, causing a temporary denial of service until the service restarts.

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-2023-46283?

CVE-2023-46283 is a high-severity memory corruption vulnerability in Siemens Opcenter Execution Foundation, published on 12 Dec 2023. 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 Opcenter Execution Foundation (All versions < V2407), Opcenter Quality (All versions < V2312), SIMATIC PCS neo (All versions < V4.1), SINEC NMS (All versions < V2.0 SP1), Totally Integrated Automation Portal (TIA Portal) V14 (All versions), Totally Integrated Automation Portal (TIA Portal) V15.1 (All versions), Totally Integrated Automation Portal (TIA Portal) V16 (All versions), Totally Integrated Automation Portal (TIA Portal) V17 (All versions < V17 Update 8), Totally Integrated Automation Portal (TIA Portal) V18 (All versions < V18 Update 3). The affected application contains an out of bounds write past the end of an allocated buffer when handling specific requests on port 4002/tcp. This could allow an attacker to crash the application. The corresponding service is auto-restarted after the crash.

Weakness: CWE-120

Which versions are affected by CVE-2023-46283?

It affects 4 products.

Products include Siemens Opcenter Quality, Siemens Simatic Pcs Neo, Siemens Sinumerik Integrate Runmyhmi \/Automotive, Siemens Totally Integrated Automation Portal.

How do I fix CVE-2023-46283?

No fix has been published for CVE-2023-46283 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2023-46283 being exploited?

There is no known exploitation of CVE-2023-46283 in the wild and no public exploit code.

Sources

Also known as GHSA-395m-pvc6-8rvm.