AUGUST 4, 2026
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Case File

CVE-2023-51440

HIGH · CVSS 7.5 EPSS 0.60%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2024-02-13 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.5. It may be remotely exploitable. It may lead to a denial-of-service condition.

CVE
CVE-2023-51440
Severity
HIGH
CVSS
7.5
EPSS
0.60%

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)