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TI-2024-33749 Aliases CVE-2024-50310GHSA-84fj-mc2g-vcqc

Incorrect authorization in Siemens SIMATIC CP 1543-1 V4.0

Priority MEDIUM 44CWE-863Published · Updated

Key facts

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

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-863.

Summary

A vulnerability has been identified in SIMATIC CP 1543-1 V4.0 (6GK7543-1AX10-0XE0) (All versions >= V4.0.44 < V4.0.50). Affected devices do not properly handle authorization. This could allow an unauthenticated remote attacker to gain access to the filesystem.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00481 41st percentileScored 2026-11-07
Fix Fixed SIMATIC CP 1543-1 V4.0 (Siemens): V4.0.50

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

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 CP 1543-1 V4.0V4.0.44 to before V4.0.50V4.0.50Patch availableCNA
  • SIMATIC CP 1543-1 V4.0 VendorSiemens Affected V4.0.44 to before V4.0.50 Fixed in V4.0.50 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:siemens:simatic_cp_1543-1_firmware:*:*:*:*:*:*:*:*4.0.44 to before 4.0.50VulnerableSiemens
cpe:2.3:h:siemens:simatic_cp_1543-1:-:*:*:*:*:*:*:*not specified by NVDRunning onSiemens
  • cpe:2.3:o:siemens:simatic_cp_1543-1_firmware:*:*:*:*:*:*:*:* Versions 4.0.44 to before 4.0.50 Vulnerable ·Siemens
  • cpe:2.3:h:siemens:simatic_cp_1543-1:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens

Remediation

  • Fix · CNA SIMATIC CP 1543-1 V4.0 (Siemens) Fixed in V4.0.50

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-50310
  2. 2026-10-03 Alias added: GHSA-84fj-mc2g-vcqc

References

Patch 1

  • TI-2016-07034 A vulnerability has been identified in SIMATIC CP 1543-1 (All versions < V2.0.28), SIPLUS… KEVCVSS 3.1HIGH 7.5
  • TI-2019-09597 An arbitrary file copy vulnerability in mod_copy in ProFTPD up to 1.3.5b allows for… CVSS 3.1CRITICAL 9.8
  • TI-2022-15626 Heap-based buffer overflow in Siemens SIMATIC CP 1242-7 V2 CVSS 3.1CRITICAL 10.0
  • TI-2021-05785 Improper input validation in https://github.com/curl/curl CVSS 3.1LOW 3.7
  • TI-2022-15627 Command injection in Siemens SIMATIC CP 1242-7 V2 CVSS 3.1CRITICAL 9.8
  • TI-2022-15628 Code injection in Siemens RUGGEDCOM RM1224 LTE EU CVSS 4.0HIGH 8.8
See all 10 →

Sources

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