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TI-2023-24749 Aliases CVE-2023-46096GHSA-rx8q-grjm-x4p7

Missing authentication in Siemens SIMATIC PCS neo

Priority LOW 37CWE-306Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
None · High · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-306.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00317 24th percentileScored 2026-11-07
Fix Fixed SIMATIC PCS neo (Siemens): V4.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
SiemensSIMATIC PCS neobefore V4.1V4.1Patch availableCNA
  • SIMATIC PCS neo VendorSiemens Affected before V4.1 Fixed in V4.1 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:siemens:simatic_pcs_neo:*:*:*:*:*:*:*:*before 4.1VulnerableSiemens
  • cpe:2.3:a:siemens:simatic_pcs_neo:*:*:*:*:*:*:*:* Versions before 4.1 Vulnerable ·Siemens

Remediation

  • Fix · CNA SIMATIC PCS neo (Siemens) Fixed in V4.1

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-46096
  2. 2026-10-03 Alias added: GHSA-rx8q-grjm-x4p7

References

Patch 1

  • TI-2021-03396 Out-of-bounds read in Wibu-Systems CodeMeter CVSS 3.1CRITICAL 9.1
  • TI-2025-21515 Out-of-bounds read in Siemens SIMATIC PCS neo V4.1 CVSS 4.0HIGH 8.7
  • TI-2025-21514 Out-of-bounds write in Siemens SIMATIC PCS neo V4.1 CVSS 4.0HIGH 8.7
  • TI-2023-24750 SQL injection in Siemens SIMATIC PCS neo CVSS 3.1HIGH 8.0
  • TI-2023-24902 A vulnerability has been identified in Opcenter Execution Foundation (All versions <… CVSS 3.1HIGH 8.8
  • TI-2025-27243 Stack-based buffer overflow in Siemens SIMATIC PCS neo V4.1 CVSS 4.0CRITICAL 9.3
See all 23 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences