CVE-2020-37037

AVAST SecureLine 5.5.522.0 - 'SecureLine' Unquoted Service Path

Published: Feb 1, 2026Updated: Feb 3, 2026 Sources: CVE List NVD BDUCWE-428

7.8HIGH

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.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:LAttack Vector

Local

AC:LAttack Complexity

Low

PR:LPrivileges Required

Low

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:HConfidentiality

High

I:HIntegrity

High

A:HAvailability

High

Open in CVSS calculator →

Weaknesses

CWE-428

Affected Products

Avast Software sro

commercial·CZaka avast antivirus, avast premium security, avast business antivirus for linux

Avast SecureLine VPNOn-prem

Security Products / endpoint-av-edr

Avast

commercial·CZaka avast free antivirus, avast antivirus

AVAST SecureLineOn-premSecurity Product

Security Products / secure-gateway-vpn

Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details

Official Patch Available

Is your org exposed to CVE-2020-37037?Request an assessment to establish which checks are appropriate for your systems. Check my exposure

Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

1 technique

Persistence

View detailed technique mapping

References

https://www.avast.com/

avast.com

https://www.exploit-db.com/exploits/48249

exploit-db.com

https://www.vulncheck.com/advisories/avast-secureline-secureline-unquoted-service-path

vulncheck.com

and 1 more references View all →

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2020-37037 and every CVE in our database. Create a free account — no credit card required.

Create Free Account

Plain-language analysis

Impact assessment and exploitation scenario in plain English

Attack graph visualization

Interactive attack path and kill chain mapping

Exploit details & PoC links

ExploitDB, Metasploit, GitHub PoCs with direct links

Nuclei scanner templates

Ready-to-use vulnerability scanner templates

Full remediation guide

Patch instructions, workarounds, and compliance impact

Interactive AI chat

Ask questions about this vulnerability in natural language

Related vulnerabilities

Semantically similar CVEs and attack patterns

REST API & MCP access

Integrate vulnerability data into your workflows