CVE-2023-51440 - CVE House
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Status published High CVE-2023-51440

A vulnerability has been identified in SIMATIC CP 343-1 (6GK7343-1EX30-0XE0)...

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

SIMATIC CP 343-1, SIMATIC CP 343-1 Lean, SIPLUS NET CP 343-1, SIPLUS NET CP 343-1 Lean
Vulnerable Versions:
All versions

Timeline

Official Publish: February 13th, 2024
Last Modified: August 2nd, 2024
Added to House: July 22nd, 2026

CVSS Vectors

V3: 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

Weaknesses (CWE)

CWE-940

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.