Vulnerability in Avast Secureline
CVE-2020-37037
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 · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.002 (5.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 6th percentile — 5.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000
Affected products
- Avast Secureline — versions 5.5.522.0
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/48249 (exploit)
- www.avast.com/ (product)
- www.vulncheck.com/advisories/avast-secureline-secureline-unquoted-service-path (third-party-advisory)
Frequently asked questions
- What is CVE-2020-37037?
- CVE-2020-37037 is a high-severity vulnerability in Avast Secureline, classified under Unquoted Search Path or Element. CVSS score: 7.8/10. Published 2026-02-01.
- How severe is CVE-2020-37037?
- High severity. CVSS v3 base score is 7.8 out of 10.