Vulnerabilities > CVE-2020-25234 - Use of Hard-coded Cryptographic Key vulnerability in Siemens Logo! 8 BM Firmware

047910
CVSS 7.7 - HIGH
Attack vector
LOCAL
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
HIGH
Integrity impact
HIGH
Availability impact
NONE
local
low complexity
siemens
CWE-321

Summary

A vulnerability has been identified in LOGO! 8 BM (incl. SIPLUS variants) (All versions < V8.3), LOGO! Soft Comfort (All versions < V8.3). The LOGO! program files generated and used by the affected components offer the possibility to save user-defined functions (UDF) in a password protected way. This protection is implemented in the software that displays the information. An attacker could reverse engineer the UDFs directly from stored program files.

Common Weakness Enumeration (CWE)