CVE-2020-37037: Avast Secureline

High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days.

Avast SecureLine 5.5.522.0 contains an unquoted service path vulnerability that allows local users to potentially execute code with elevated system privileges. Attackers can exploit the unquoted path in the service configuration to inject malicious code that would execute with LocalSystem account permissions during service startup.

Affected products

• Avast Avast Secureline: version 5.5.522.0 only

Published 2026-02-01. Last modified 2026-06-17.