CVE-2023-46096 Auth bypass in SIMATIC PCS neo

Q: Is CVE-2023-46096 being exploited?

There is no known exploitation of CVE-2023-46096 in the wild and no public exploit code.

Q: How do I fix CVE-2023-46096?

No fix has been published for CVE-2023-46096 yet. Limit exposure of the affected software until one is available.

Medium 6.5 Published 14 Nov 2023 Updated 8 Jan 2025

An unauthenticated attacker can bypass authentication in SIMATIC PCS neo to generate privileged tokens and upload documents.

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

What is CVE-2023-46096?

CVE-2023-46096 is a medium-severity authentication bypass vulnerability in Siemens SIMATIC PCS neo, published on 14 Nov 2023. 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 SIMATIC PCS neo (All versions < V4.1). The PUD Manager of affected products does not properly authenticate users in the PUD Manager web service. This could allow an unauthenticated adjacent attacker to generate a privileged token and upload additional documents.

Weakness: CWE-306

Which versions are affected by CVE-2023-46096?

It affects 1 product.

Products include Siemens Simatic Pcs Neo.

How do I fix CVE-2023-46096?

No fix has been published for CVE-2023-46096 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2023-46096 being exploited?

There is no known exploitation of CVE-2023-46096 in the wild and no public exploit code.

Sources

Also known as GHSA-rx8q-grjm-x4p7.