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Vulnerability record · CVE-2020-9362 · published 24 February 2020

CVE-2020-9362: Quickheal antivirus for server interpretation conflict vulnerability

Quickheal · Antivirus For Server

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.

7.8 CVSS 3.1 High EPSS 1.5% · top 26.3% CWE-436 · Interpretation conflict
7.8CVSS 3.1 base score, v2 6.8
1.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
6Affected product versions listed by NVD
8References
17 Jun 2026Last modified by NVD

Description

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.

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

6 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://packetstormsecurity.com/files/156580/QuickHeal-Generic-Malformed-Archive-Bypass.html Third Party AdvisoryVDB Entry
http://seclists.org/fulldisclosure/2020/Mar/14 Mailing ListThird Party Advisory
https://blog.zoller.lu/p/from-low-hanging-fruit-department_24.html Third Party Advisory
https://blog.zoller.lu/p/tzo-20-2020-quickheal-malformed-archive.html Third Party Advisory
http://packetstormsecurity.com/files/156580/QuickHeal-Generic-Malformed-Archive-Bypass.html Third Party AdvisoryVDB Entry
http://seclists.org/fulldisclosure/2020/Mar/14 Mailing ListThird Party Advisory
https://blog.zoller.lu/p/from-low-hanging-fruit-department_24.html Third Party Advisory
https://blog.zoller.lu/p/tzo-20-2020-quickheal-malformed-archive.html Third Party Advisory

Track CVE-2020-9362 inside VULONE

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2017-8773Quickheal antivirus pro out-of-bounds write vulnerabilityQuick Heal Internet Security 10.1.0.316, Quick Heal Total Security 10.1.0.316, and Quick Heal AntiVirus Pro 10.1.0.316 are vulnerable to Out of Bound…EPSS 2.3%9.8CVE-2017-8774Quickheal antivirus pro out-of-bounds write vulnerabilityQuick Heal Internet Security 10.1.0.316, Quick Heal Total Security 10.1.0.316, and Quick Heal AntiVirus Pro 10.1.0.316 are vulnerable to Memory Corru…EPSS 1.2%9.8CVE-2017-8775Quickheal antivirus pro out-of-bounds write vulnerabilityQuick Heal Internet Security 10.1.0.316, Quick Heal Total Security 10.1.0.316, and Quick Heal AntiVirus Pro 10.1.0.316 are vulnerable to Memory Corru…EPSS 1.2%9.8CVE-2017-5005Quickheal antivirus pro out-of-bounds write vulnerabilityStack-based buffer overflow in Quick Heal Internet Security 10.1.0.316 and earlier, Total Security 10.1.0.316 and earlier, and AntiVirus Pro 10.1.0.3…EPSS 9.5%7.8CVE-2025-69875Quickheal total security improper privilege management vulnerabilityA vulnerability exists in Quick Heal Total Security 23.0.0 in the quarantine management component where insufficient validation of restore paths and …EPSS 0.11%7.8CVE-2018-8090Quickheal antivirus pro uncontrolled search path element vulnerabilityQuick Heal Total Security 64 bit 17.00 (QHTS64.exe), (QHTSFT64.exe) - Version 10.0.1.38; Quick Heal Total Security 32 bit 17.00 (QHTS32.exe), (QHTSFT…EPSS 1.2%7.5CVE-2017-8776Quickheal antivirus pro vulnerabilityQuick Heal Internet Security 10.1.0.316, Quick Heal Total Security 10.1.0.316, and Quick Heal AntiVirus Pro 10.1.0.316 have approximately 165 PE file…EPSS 0.93%7.5CVE-2015-8285Quickheal total security memory buffer overflow vulnerabilityThe webssx.sys driver in QuickHeal 16.00 allows remote attackers to cause a denial of service.EPSS 5.5%

Source: NIST National Vulnerability Database (record CVE-2020-9362), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.