CVE-2023-51440
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.
SeverityHigh
CVSS7.5
Exploit probability—
ProductSiemens Simatic Cp 343-1 Firmware
PublishedFeb 13, 2024
First seenFeb 13, 2024
Weakness typeCWE-940CWE-940
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| siemens simatic_cp_343-1_firmware | No range specified | — |
| siemens simatic_cp_343-1_lean_firmware | No range specified | — |
| siemens siplus_net_cp_343-1_firmware | No range specified | — |
| siemens siplus_net_cp_343-1_lean_firmware | No range specified | — |
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