CVE-2020-25243: Siemens Logo! Soft Comfort

Medium severity, CVSS 5.1. EPSS: 0.3% chance of exploitation in the next 30 days.

A vulnerability has been identified in LOGO! Soft Comfort (All versions < V8.4). A zip slip vulnerability could be triggered while importing a compromised project file to the affected software. Chained with other vulnerabilities this vulnerability could ultimately lead to a system takeover by an attacker.

Affected products

• Siemens Logo! Soft Comfort: any version

Published 2021-04-22. Last modified 2026-06-17.