CVE-2023-51440 — Improper Verification of Source of a Communication Channel in Siemens Simatic CP 343-1

CWE-940 — Improper Verification of Source of a Communication Channel3 documents3 sources
Severity
7.5HIGHNVD
EPSS
0.4%
top 41.12%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
Siemens Simatic CP 343-1Siemens Simatic CP 343-1 LeanSiemens Siplus NET CP 343-1+1 more
Timeline
PublishedFeb 13

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages4 packages

▶CVEListV5siemens/simatic_cp_343-1_leanAll versions
▶CVEListV5siemens/siplus_net_cp_343-1_leanAll versions
▶CVEListV5siemens/simatic_cp_343-1All versions
▶CVEListV5siemens/siplus_net_cp_343-1All versions

🔴Vulnerability Details

2
GHSA
GHSA-j4h9-5vj5-4vff: 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)↗2024-02-13
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CVEList
CVE-2023-51440: 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)↗2024-02-13
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CVE-2023-51440 — Siemens Simatic CP 343-1 vulnerability | cvebase