CVE-2020-25234

HIGH

Siemens LOGO! 8 BM Firmware < 8.3 - Use of Hard-coded Cryptographic Key

Title source: llm
STIX 2.1

Description

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.

References (1)

Core 1
Core References

Scores

CVSS v3 7.7
EPSS 0.0012
EPSS Percentile 30.7%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Details

CWE
CWE-321
Status published
Products (1)
siemens/logo\!_8_bm_firmware < 8.3
Published Dec 14, 2020
Tracked Since Feb 18, 2026