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.
Conclusion & alert: CVE-2020-9362 is rated Moderate Risk (57.2/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.49%). Core evidence: EPSS rose +1.28% over the last day, indicating growing attacker interest. Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.21% | 1.49% | +1.28% |
| 2 | 2025-11-21 | 0.36% | 0.21% | -0.14% |
| 3 | 2025-11-18 | — | 0.36% | — |
Full EPSS history (13 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.8 | 3.1 | HIGH |
|
1.8 | 5.9 | [email protected] |
| 6.8 | 2.0 | MEDIUM |
|
8.6 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| quickheal | antivirus_for_server | 2019-11 | cpe:2.3:a:quickheal:antivirus_for_server:2019-11:*:*:*:*:*:*:* |
| quickheal | antivirus_pro | 2019-11 | cpe:2.3:a:quickheal:antivirus_pro:2019-11:*:*:*:*:*:*:* |
| quickheal | home_security | 2019-11 | cpe:2.3:a:quickheal:home_security:2019-11:*:*:*:*:*:*:* |
| quickheal | internet_security | 2019-11 | cpe:2.3:a:quickheal:internet_security:2019-11:*:*:*:*:*:*:* |
| quickheal | total_security | 2019-11 | cpe:2.3:a:quickheal:total_security:2019-11:*:*:*:*:-:*:* |
| quickheal | total_security | 2019-11 | cpe:2.3:a:quickheal:total_security:2019-11:*:*:*:*:android:*:* |
| quickheal | total_security | 2019-11 | cpe:2.3:a:quickheal:total_security:2019-11:*:*:*:*:mac_os:*:* |
| quickheal | total_security_multi-device | 2019-11 | cpe:2.3:a:quickheal:total_security_multi-device:2019-11:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://packetstormsecurity.com/files/156580/QuickHeal-Generic-Malformed-Archive-Bypass.html | Third Party Advisory VDB Entry |
| http://seclists.org/fulldisclosure/2020/Mar/14 | Mailing List Third 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 |