CVE-2023-31412: Sick LMS500 Firmware

High severity, CVSS 7.5. EPSS: 0.4% chance of exploitation in the next 30 days.

The LMS5xx uses weak hash generation methods, resulting in the creation of insecure hashs. If an attacker manages to retrieve the hash, it could lead to collision attacks and the potential retrieval of the password.

Affected products

  • Sick LMS500 Firmware: any version
  • Sick LMS511 Firmware: any version
  • Sick LMS531 Firmware: any version

Published 2023-08-24. Last modified 2026-06-17.