Command Injection in Siemens products - CVE-2022-34820

Vulnerability identifier: #VU65272

CSH Severity: Low

CVSS v4: 8.5 [CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2022-34820

CWE-ID: CWE-77

Exploitation vector: Adjecent network

Exploit availability: No public exploit available

The vulnerability allows a remote user to execute arbitrary commands on the target system.

The vulnerability exists due to the affected application does not correctly escape some user provided fields during the authentication process. A remote administrator on the local network can pass specially crafted data to the application and execute arbitrary commands on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL
SIPLUS S7-1200 CP 1243-1 RAIL
SIPLUS S7-1200 CP 1243-1
SIPLUS NET CP 1242-7 V2
SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL
SIPLUS ET 200SP CP 1543SP-1 ISEC
SIMATIC CP 1242-7 V2
SIMATIC CP 1543SP-1
SIMATIC CP 1542SP-1 IRC
SIMATIC CP 1243-8 IRC
SIMATIC CP 1243-7 LTE US
SIMATIC CP 1243-7 LTE EU
SIMATIC CP 1243-1
SIMATIC CP 1543-1
SIPLUS NET CP 1543-1

Install update from vendor's website.

SIMATIC CP 1543-1 - update to 3.0.22
SIPLUS NET CP 1543-1 - update to 3.0.22

• https://cert-portal.siemens.com/productcert/pdf/ssa-517377.pdficsa-22-195-12

• Multiple vulnerabilities in Siemens SIMATIC CP Devices