CVE-2020-37037 - CVE House

Back to Database

Status published High CVE-2020-37037

AVAST SecureLine 5.5.522.0 - 'SecureLine' Unquoted Service Path

8.5 CVSS

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2020-37037

Check My Exposure

Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

Roberto Piña

References

More from Avast

View All →

Null pointer dereference in Avast Antivirus on macOS (16.0.0) or Linux (3.0.3)

AVAST Antivirus 25.11 Unquoted Service Path Privilege Escalation

Lack of file validation in Avast Business Antivirus for Linux allows writing untrusted update files

Integer Overflow in Avast Antiviurs 25.1.981.6 on Windows may result in privilege escalation

Double fetch in sandbox kernel driver in Avast/AVG Antivirus <25.3 ...

Affected Vendor

Avast

View all reports →

Affected Software

AVAST SecureLine

Vulnerable Versions:

5.5.522.0

Timeline

Official Publish: February 1st, 2026

Last Modified: March 5th, 2026

Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1574 Hijack Execution Flow

Privilege Escalation

T1036 Masquerading

Defense Evasion

T1543 Create or Modify System Process

T1059 Command and Scripting Interpreter

T1569 System Services