CVE-2021-28130: Drweb Security Space

High severity, CVSS 7.8. EPSS: 0.4% chance of exploitation in the next 30 days.

Dr.Web Firewall 12.5.2.4160 on Windows incorrectly restricts applications signed by Dr.Web. A DLL for a custom payload within a legitimate binary (e.g., frwl_svc.exe) bypasses firewall filters.

Affected products

  • Drweb Security Space: version 12.5.2.4160 only

Published 2021-09-24. Last modified 2026-06-17.