Vulnerability · Published Jul 12, 2022 · Assigned by siemens
CVE-2022-34820
High 8.4
In plain English
A high-severity command injection in SIMATIC CP 1242-7 V2 from Siemens. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.2% (higher than 83% of all known vulnerabilities).
Official 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 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| 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 |
Weakness: CWE-77 · Vector: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C