CVE-2020-37037: avast avast secureline Unquoted Search Path or Element

Vulnerability summary

CVE-2020-37037 is a high (CVSS 8.5) Unquoted Search Path or Element vulnerability in avast avast secureline. EPSS estimates a 0.17% chance of exploitation in the next 30 days, higher than 5.8% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 01-02-2026
   PublishedVulnerability first disclosed.
2. 05-03-2026
   Last modifiedVulnerability information updated.

Description

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.

• CWE-428Unquoted Search Path or ElementThe product uses a search path that contains an unquoted element, in which the element contains whitespace or other separators. This can cause the product to access resources in a parent path.