CVE-2023-46099

Severity: medium (CVSS 4.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% 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-79

Description

A vulnerability has been identified in SIMATIC PCS neo (All versions < V4.1). There is a stored cross-site scripting vulnerability in the Administration Console of the affected product, that could allow an attacker with high privileges to inject Javascript code into the application that is later executed by another legitimate user.

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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