7.5
CWE
940
Advisory Published
Updated

CVE-2023-51440

First published: Tue Feb 13 2024(Updated: )

A vulnerability has been identified in SIMATIC CP 343-1 (6GK7343-1EX30-0XE0) (All versions), SIMATIC CP 343-1 Lean (6GK7343-1CX10-0XE0) (All versions), SIPLUS NET CP 343-1 (6AG1343-1EX30-7XE0) (All versions), SIPLUS NET CP 343-1 Lean (6AG1343-1CX10-2XE0) (All versions). Affected products incorrectly validate TCP sequence numbers. This could allow an unauthenticated remote attacker to create a denial of service condition by injecting spoofed TCP RST packets.

Credit: productcert@siemens.com

Affected SoftwareAffected VersionHow to fix
All of
Siemens Simatic Cp 343-1
Siemens Simatic Cp 343-1 Firmware
All of
Siemens Simatic Cp 343-1 Lean
Siemens Simatic Cp 343-1 Lean Firmware
All of
Siemens Siplus Net Cp 343-1
Siemens Siplus Net Cp 343-1 Firmware
All of
Siemens Siplus Net Cp 343-1 Lean
Siemens Siplus Net Cp 343-1 Lean Firmware

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