← Database

CVE-2022-34819

CRITICAL CVSS: 10.0 Published: 2022-07-12 Modified: 2026-06-17

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 < V3.3.46), SIMATIC CP 1542SP-1 IRC (All versions >= V2.0 < V2.2.28), SIMATIC CP 1543-1 (All versions < V3.0.22), SIMATIC CP 1543SP-1 (All versions >= V2.0 < V2.2.28), SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL (All versions >= V2.0 < V2.2.28), SIPLUS ET 200SP CP 1543SP-1 ISEC (All versions >= V2.0 < V2.2.28), SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL (All versions >= 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.

Affected Platforms

Siemens Siplus Net Cp 1242-7 V2 FirmwareSiemens Simatic Cp 1542Sp-1 Irc FirmwareSiemens Siplus S7-1200 Cp 1243-1 FirmwareSiemens Siplus Net Cp 1543-1Siemens Simatic Cp 1543Sp-1 FirmwareSiemens Simatic Cp 1243-1Siemens Simatic Cp 1543-1 FirmwareSiemens Simatic Cp 1243-8 IrcSiemens Siplus S7-1200 Cp 1243-1Siemens Simatic Cp 1543-1

Weakness Type

CWE-122, CWE-787

References