Insufficiently protected credentials in Siemens products - CVE-2022-38465

Vulnerability identifier: #VU68263

CSH Severity: Low

CVSS v4: 8.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2022-38465

CWE-ID: CWE-522

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local attacker to compromise the target system.

The vulnerability exists due to insufficiently protected credentials. A local attacker can discover the private key of a CPU product family and extract confidential configuration data from projects that are protected by that key or perform attacks against legacy PG/PC and HMI communication.

SIMATIC ET 200SP Open Controller CPU 1515SP PC
SIMATIC Drive Controller
SIMATIC S7-1500 CPU
SIMATIC S7-1200 CPU family
SIMATIC S7-PLCSIM Advanced
SIMATIC ET 200SP Open Controller CPU 1515SP PC2
SIMATIC S7-1500 Software Controller

Install updates from vendor's website.

SIMATIC Drive Controller - update to 2.9.2
SIMATIC S7-1500 CPU - update to 2.9.2
SIMATIC S7-PLCSIM Advanced - update to 4.0
SIMATIC S7-1200 CPU family - update to 4.5.0
SIMATIC ET 200SP Open Controller CPU 1515SP PC2 - update to 21.9
SIMATIC S7-1500 Software Controller - update to 21.9

• https://cert-portal.siemens.com/productcert/pdf/ssa-568427.pdf

• Insufficiently protected credentials in Siemens SIMATIC S7-1200 and S7-1500 CPU Families