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CVE-2022-34819

Severity
CRITICAL
CVSS
10.0
EPSS
0.01897
Risk score
40.66
CISA KEV
No
PoC
No
Published
2022-07-12
Modified
2025-04-21
First seen
2026-08-07
Aliases
EUVD-2022-37725, GHSA-X7CP-9X6C-2MM8
Products
Siemens:SIMATIC CP 1242-7 V2 All versions < V3.3.46, Siemens:SIMATIC CP 1243-1 All versions < V3.3.46, Siemens:SIMATIC CP 1243-7 LTE EU All versions < V3.3.46, Siemens:SIMATIC CP 1243-7 LTE US All versions < V3.3.46, Siemens:SIMATIC CP 1243-8 IRC All versions < V3.3.46, Siemens:SIMATIC CP 1542SP-1 IRC All versions V2.0 < V2.2.28, Siemens:SIMATIC CP 1543-1 All versions < V3.0.22, Siemens:SIMATIC CP 1543SP-1 All versions V2.0 < V2.2.28, Siemens:SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL All versions V2.0 < V2.2.28, Siemens:SIPLUS ET 200SP CP 1543SP-1 ISEC All versions V2.0 < V2.2.28, Siemens:SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL All versions V2.0 < V2.2.28, Siemens:SIPLUS NET CP 1242-7 V2 All versions < V3.3.46, Siemens:SIPLUS NET CP 1543-1 All versions < V3.0.22, Siemens:SIPLUS S7-1200 CP 1243-1 All versions < V3.3.46, Siemens:SIPLUS S7-1200 CP 1243-1 RAIL All versions < V3.3.46
Sources
euvd EUVD-2022-37725

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.

References