CVE-2023-46098

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-11-14 · updated 2026-06-17
Weakness: CWE-942

Description

A vulnerability has been identified in SIMATIC PCS neo (All versions < V4.1). When accessing the Information Server from affected products, the products use an overly permissive CORS policy. This could allow an attacker to trick a legitimate user to trigger unwanted behavior.

Affected products

Siemens SIMATIC PCS neo: before 4.1 — fixed in 4.1

How to fix

Upgrade to a fixed version: Siemens SIMATIC PCS neo 4.1. Check the vendor advisory for mitigations.

References

https://cert-portal.siemens.com/productcert/pdf/ssa-456933.pdf
https://cert-portal.siemens.com/productcert/pdf/ssa-456933.pdf

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