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).

Severity (CVSS 3.1)8.4High
Exploit odds (30 days)2.2%top 17.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

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)

VendorProductVersions
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

References