🛡️ CVE-2022-34819
🔴 CVSS 10.0 — Critical ✅ No Known Exploit CWE-122 NVD
10.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

A vulnerability has been identified in SIMATIC CP 1242-7 V2 (All versions < V3.3.46), SIMATIC CP 1243-1 (All versions < V3.3.46), SIMATIC CP 1243-7 LTE EU (All versions < V3.3.46), SIMATIC CP 1243-7 LTE US (All versions < V3.3.46), SIMATIC CP 1243-8 IRC (All versions = V2.0 < V2.2.28), SIMATIC CP 1543-1 (All versions = V2.0 = V2.0 = V2.0 = V2.0 < V2.2.28), SIPLUS NET CP 1242-7 V2 (All versions < V3.3.46), SIPLUS NET CP 1543-1 (All versions < V3.0.22), SIPLUS S7-1200 CP 1243-1 (All versions < V3.3.46), SIPLUS S7-1200 CP 1243-1 RAIL (All versions < V3.3.46). The application lacks proper validation of user-supplied data when parsing specific messages. This could result in a heap-based buffer overflow. An attacker could leverage this vulnerability to execute code in the context of device.

Details

Severity CRITICAL
CVSS Score 10.0
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CWE CWE-122
Public Exploit ✅ No
Source NVD
Published 2022-07-12
Updated 2026-06-08
Modified 2024-11-21

Affected Packages

Software From version Fixed in
simatic-cp-1242-7-v2-firmware — —
simatic-cp-1243-1-firmware — —
simatic-cp-1243-7-lte-eu-firmware — —
simatic-cp-1243-7-lte-us-firmware — —
simatic-cp-1243-8-irc-firmware — —
simatic-cp-1542sp-1-irc-firmware 2.0 —
simatic-cp-1543-1-firmware — 3.0.22
simatic-cp-1543sp-1-firmware 2.0 —
siplus-et-200sp-cp-1542sp-1-irc-tx-rail-firmware 2.0 —
siplus-et-200sp-cp-1543sp-1-isec-firmware 2.0 —
siplus-et-200sp-cp-1543sp-1-isec-tx-rail-firmware 2.0 —
siplus-net-cp-1242-7-v2-firmware — —
siplus-net-cp-1543-1-firmware — 3.0.22
siplus-s7-1200-cp-1243-1-firmware — —
siplus-s7-1200-cp-1243-1-rail-firmware — —

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