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TI-2023-13569 Aliases CVE-2023-29130GHSA-hqc9-64cv-8vvf

Improper access control in Siemens SIMATIC CN 4100

Priority MEDIUM 44CWE-284Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-284.

Summary

A vulnerability has been identified in SIMATIC CN 4100 (All versions < V2.5). Affected device consists of improper access controls in the configuration files that leads to privilege escalation. An attacker could gain admin access with this vulnerability leading to complete device control.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00564 47th percentileScored 2026-11-07
Fix Fixed SIMATIC CN 4100 (Siemens): V2.5

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
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 CN 4100before V2.5V2.5Patch availableCNA
  • SIMATIC CN 4100 VendorSiemens Affected before V2.5 Fixed in V2.5 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:o:siemens:simatic_cn_4100_firmware:*:*:*:*:*:*:*:*before 2.5VulnerableSiemens
  • cpe:2.3:o:siemens:simatic_cn_4100_firmware:*:*:*:*:*:*:*:* Versions before 2.5 Vulnerable ·Siemens

Remediation

  • Fix · CNA SIMATIC CN 4100 (Siemens) Fixed in V2.5

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-29130
  2. 2026-10-03 Alias added: GHSA-hqc9-64cv-8vvf

References

Patch 1

  • TI-2025-26358 tls: fix handling of zero-length records on the rx_list KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-23989 crypto: algif_aead - Revert to operating out-of-place KEVCVSS 3.1HIGH 7.8
  • TI-2024-21620 A vulnerability has been identified in SIMATIC CN 4100 (All versions < V3.0). CVSS 3.1CRITICAL 10.0
  • TI-2023-27102 A vulnerability has been identified in SIMATIC CN 4100 (All versions < V2.7). CVSS 3.1CRITICAL 9.8
  • TI-2024-21619 Hard-coded credentials in Siemens SIMATIC CN 4100 CVSS 3.1CRITICAL 9.8
  • TI-2026-18410 Resource allocation without limits in Siemens SIMATIC CN 4100 CVSS 4.0HIGH 8.7
See all 19 →

Sources

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