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8.7

Unauthorized Access to SIMATIC CP 1543-1 File System

CVE-2024-50310 · published 1 year ago
Summary

Certain versions of SIMATIC CP 1543-1 may allow an attacker to gain access to the device's file system without needing a password. This could lead to unauthorized changes or data theft. Siemens recommends updating to a fixed version to prevent this issue.

What to do
  • Update siemens simatic_cp_1543-1_firmware to version 4.0.50 or later.
Affected software
VendorProductAffected versions
siemens simatic_cp_1543-1_firmware >= 4.0.44, < 4.0.50
cpe:2.3:o:siemens:simatic_cp_1543-1_firmware:*:*:*:*:*:*:*:*
Original advisory text
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 un...
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.
References
Fix within
Internet-facing 14 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically
  • Gives an attacker partial control
Severity
8.7 High
Exploitation
<1% chance of attack within 30 days
Type
CWE-863Incorrect Authorization
Timeline
Published12 Nov 2024
Updated4 Nov 2026
First seen7 Mar 2026
Sources
CVE-2024-50310 · NVD
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