CVE-2022-34820
Status: ModifiedCritical (9.8)—
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).
Read full descriptionShow less
The application does not correctly escape some user provided fields during the authentication process. This could allow an attacker to inject custom commands and execute arbitrary code with elevated privileges.
CVSS
- Version: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Base score: 9.8
Exploitation probability (EPSS)
- Probability of exploitation in the next 30 days: 2.22%
- Percentile among all scored CVEs: 82
- Score date: 10/6/2026
EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).
Affected technologies (15)
Siemens — Simatic CP 1242-7 V2 FirmwareSiemens — Simatic CP 1243-1 FirmwareSiemens — Simatic CP 1243-7 LTE EU FirmwareSiemens — Simatic CP 1243-7 LTE US FirmwareSiemens — Simatic CP 1243-8 IRC FirmwareSiemens — Simatic CP 1542sp-1 IRC FirmwareSiemens — Simatic CP 1543-1 FirmwareSiemens — Simatic CP 1543sp-1 FirmwareSiemens — Siplus ET 200sp CP 1542sp-1 IRC TX Rail FirmwareSiemens — Siplus ET 200sp CP 1543sp-1 Isec FirmwareSiemens — Siplus ET 200sp CP 1543sp-1 Isec TX Rail FirmwareSiemens — Siplus NET CP 1242-7 V2 FirmwareSiemens — Siplus NET CP 1543-1 FirmwareSiemens — Siplus S7-1200 CP 1243-1 FirmwareSiemens — Siplus S7-1200 CP 1243-1 Rail Firmware
CWEs
- CWE-77
- CWE-116
References
Raw JSON (NVD)
Show
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