CVE-2020-37037

AVAST SecureLine 5.5.522.0 - 'SecureLine' Unquoted Service Path

CVSS 8.5 HIGHEPSS 0.1%CWE-428

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 8.5EPSS 0.1%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

01 Feb 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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

Affected products

Avast · AVAST SecureLine

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References

https://www.avast.com/https://www.exploit-db.com/exploits/48249 https://www.vulncheck.com/advisories/avast-secureline-secureline-unquoted-service-path