Vulnerability · Published Feb 1, 2026 · Assigned by VulnCheck
CVE-2020-37037AVAST SecureLine 5.5.522.0 - 'SecureLine' Unquoted Service Path
High 7.8
In plain English
A high-severity security flaw in AVAST SecureLine from Avast. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 6% of all known vulnerabilities).
Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.2%top 94.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Avast | AVAST SecureLine | 5.5.522.0 |
Weakness: CWE-428 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References
- ExploitDB-48249 exploit
- Avast Official Homepage product
- VulnCheck Advisory: AVAST SecureLine 5.5.522.0 - 'SecureLine' Unquoted Service Path third-party-advisory