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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
NVD MITRE
7.8CVSSHIGH
EPSS Score
0.1%
Top 95.5%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:UC:HI:HA:H
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 SecureLineAvast
On-prem
Security Products / endpoint-av-edr
Avast SecureLine VPNAvast Software sro
On-prem
Security Products / endpoint-av-edr
avastcommercialCZSecurity Productsaka avast antivirus, avast free antivirus
avast software srocommercialCZSecurity Productsaka avast antivirus, avast premium security, avast business antivirus for linux

Attack Graph

Products CVE Techniques Tactics

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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

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 →

Timeline

Published
Feb 1, 2026
Last Updated
Feb 3, 2026

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