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Critical Threat

CVE-2022-38465

CWE-522: Insufficiently Protected Credentials
Affected products protect the built-in global private key in a way that cannot be considered sufficient any longer. The key is used for the legacy protection of confidential configuration data and the legacy PG/PC and HMI communication.

This could allow attackers to discover the private key of a CPU product family by an offline attack against a single CPU of the family. Attackers could then use this knowledge to extract confidential configuration data from projects that are protected by that key or to perform attacks against legacy PG/PC and HMI communication.

Read Team82's report: "The Race to Native Code Execution in PLCs: Using RCE to Uncover Siemens SIMATIC S7-1200/1500 Hardcoded Cryptographic Keys"

Risk Information

CVE ID

CVE-2022-38465

Vendor

Siemens

Product

SIMATIC S7-1200/1500, TIA Portal

CVSS v3

9.3


Disclosure Policy

Team82 is committed to privately reporting vulnerabilities to affected vendors in a coordinated, timely manner in order to ensure the safety of the cybersecurity ecosystem worldwide. To engage with the vendor and research community, Team82 invites you to download and share our Coordinated Disclosure Policy. Team82 will adhere to this reporting and disclosure process when we discover vulnerabilities in products and services.

Public Email & PGP Key

Team82 has also made its public PGP Key available for the vendor and research community to securely and safely exchange vulnerability and research information with us.

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