CVE-2020-37037 HIGH

CVE-2020-37037: AVAST SecureLine 5.5.522.0 - 'SecureLine' Unquoted Service Path

Vendor Avast
Product AVAST SecureLine
Weakness CWE-428
Published February 1, 2026
Last update March 5, 2026

CVSS base score

8.5/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

February 1, 2026 CVE published
March 5, 2026 Record updated