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CVE-2023-51440

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CVE-2023-51440

Published: Feb 13, 2024

Modified: Aug 2, 2024

PUBLISHED

CVSS v3.1

7.5

HIGH

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.

VendorProductVersions

Siemens

SIMATIC CP 343-1

affected
All versions

Siemens

SIMATIC CP 343-1 Lean

affected
All versions

Siemens

SIPLUS NET CP 343-1

affected
All versions

Siemens

SIPLUS NET CP 343-1 Lean

affected
All versions

Weaknesses (CWE)

CWE-940

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

References

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