CVE-2020-25231

MEDIUM

LOGO! 8 BM and LOGO! Soft Comfort <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 encryption of program data for the affected devices uses a static key. An attacker could use this key to extract confidential information from protected program files.

References (1)

Core 1
Core References

Scores

CVSS v3 5.5
EPSS 0.0006
EPSS Percentile 19.8%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Details

CWE
CWE-321 CWE-798
Status published
Products (2)
siemens/logo\!_8_bm_firmware < 8.3
siemens/logo\!_soft_comfort < 8.3
Published Dec 14, 2020
Tracked Since Feb 18, 2026