CVE-2023-51440

State: Published
Severity: 7.5 High
Published: Feb 13, 2024
Updated: Aug 2, 2024
Reserved: Dec 19, 2023

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.

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:T/RC:C	siemens

Weaknesses

CWE-940 Improper Verification of Source of a Communication Channel

Affected Products

Product	Versions
SIMATIC CP 343-1Siemens	All versionsAffected
SIMATIC CP 343-1 LeanSiemens	All versionsAffected
SIPLUS NET CP 343-1Siemens	All versionsAffected
SIPLUS NET CP 343-1 LeanSiemens	All versionsAffected

References

https://cert-portal.siemens.com/productcert/html/ssa-516818.html

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