CVE-2020-9362: Quickheal Antivirus For Server

High severity, CVSS 7.8. EPSS: 1.5% chance of exploitation in the next 30 days.

The Quick Heal AV parsing engine (November 2019) allows virus-detection bypass via a crafted GPFLAG in a ZIP archive. This affects Total Security, Home Security, Total Security Multi-Device, Internet Security, Total Security for Mac, AntiVirus Pro, AntiVirus for Server, and Total Security for Android.

Affected products

  • Quickheal Antivirus For Server: version 2019-11 only
  • Quickheal Antivirus Pro: version 2019-11 only
  • Quickheal Home Security: version 2019-11 only
  • Quickheal Internet Security: version 2019-11 only
  • Quickheal Total Security: version 2019-11 only
  • Quickheal Total Security Multi-Device: version 2019-11 only

Published 2020-02-24. Last modified 2026-06-17.