VULNERABILITY INTELLIGENCE

CVE-2020-25229

CVSS score7.5 HIGH
EPSS probability0.65%
CISA KEVNot currently listed
Published2020-12-14
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Description

A vulnerability has been identified in LOGO! 8 BM (incl. SIPLUS variants) (All versions < V8.3). The implemented encryption for communication with affected devices is prone to replay attacks due to the usage of a static key. An attacker could change the password or change the configuration on any affected device if using prepared messages that were generated for another device.

Weakness classification

  • CWE-321: Use of Hard-coded Cryptographic Key
  • CWE-798: Use of Hard-coded Credentials

Primary references