CVEvulnerability

CVE-2023-51440

7.5 HIGH Published 2024-02-13 Modified 2026-06-17 Official page ↗
Status
Analyzed
Published
2024-02-13
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 3.1 ([email protected])
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses
CWE-940

Description

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.

Affected configurations

• siemens simatic cp 343-1 firmware • siemens simatic cp 343-1 lean firmware • siemens siplus net cp 343-1 firmware • siemens siplus net cp 343-1 lean firmware

Related

Weakness · CWE (1)

  • CWE-940 Improper Verification of Source of a Communication Channel weakness

References