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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.

PUBLISHED Reserved 2026-01-28 | Published 2026-02-01 | Updated 2026-02-02 | Assigner VulnCheck




HIGH: 8.5CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
HIGH: 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Problem types

Unquoted Search Path or Element

Product status

5.5.522.0
affected

Credits

Roberto Piña finder

References

www.exploit-db.com/exploits/48249 (ExploitDB-48249) exploit

www.avast.com/ (Avast Official Homepage) product

www.vulncheck.com/...reline-secureline-unquoted-service-path (VulnCheck Advisory: AVAST SecureLine 5.5.522.0 - 'SecureLine' Unquoted Service Path) third-party-advisory

cve.org (CVE-2020-37037)

nvd.nist.gov (CVE-2020-37037)

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