How severe is CVE-2020-9362?

CVE-2020-9362 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-9362 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-9362?

CVE-2020-9362 primarily affects Quickheal Antivirus For Server. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-9362?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-9362 published?

CVE-2020-9362 was published on 2020-02-24 and last updated on 2026-06-17.

CVE-2020-9362

CVE-2020-9362 is a high-severity vulnerability in Quickheal Antivirus For Server with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-436.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (71st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-436
Affected product: Quickheal Antivirus For Server
Published: 2020-02-24
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2020-9362?: 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.
How severe is CVE-2020-9362?: CVE-2020-9362 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-9362 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-9362?: CVE-2020-9362 primarily affects Quickheal Antivirus For Server. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-9362?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-9362 published?: CVE-2020-9362 was published on 2020-02-24 and last updated on 2026-06-17.

References

Affected products (8)

cpe:2.3:a:quickheal:antivirus_for_server:2019-11:*:*:*:*:*:*:*
cpe:2.3:a:quickheal:antivirus_pro:2019-11:*:*:*:*:*:*:*
cpe:2.3:a:quickheal:home_security:2019-11:*:*:*:*:*:*:*
cpe:2.3:a:quickheal:internet_security:2019-11:*:*:*:*:*:*:*
cpe:2.3:a:quickheal:total_security:2019-11:*:*:*:*:-:*:*
cpe:2.3:a:quickheal:total_security:2019-11:*:*:*:*:android:*:*
cpe:2.3:a:quickheal:total_security:2019-11:*:*:*:*:mac_os:*:*
cpe:2.3:a:quickheal:total_security_multi-device:2019-11:*:*:*:*:*:*:*

Other CWE-436 vulnerabilities

CVE-2023-24813 — Critical (CVSS 10.0): Dompdf is an HTML to PDF converter written in php. Due to the difference in the attribute parser of Dompdf and…
CVE-2026-8034 — Critical (CVSS 9.8): A server-side request forgery (SSRF) vulnerability was identified in the GitHub Enterprise Server notebook viewer that…
CVE-2021-45327 — Critical (CVSS 9.8): Gitea before 1.11.2 is affected by Trusting HTTP Permission Methods on the Server Side when referencing the vulnerable…
CVE-2020-10180 — Critical (CVSS 9.8): The ESET AV parsing engine allows virus-detection bypass via a crafted BZ2 Checksum field in an archive. This affects…
CVE-2019-19589 — Critical (CVSS 9.8): The Lever PDF Embedder plugin 4.4 for WordPress does not block the distribution of polyglot PDF documents that are…
CVE-2026-14198 — Critical (CVSS 9.1): @fastify/middie versions 9.1.0 through 9.3.2 decode the encoded slash %2F inside path parameter values before matching…

Browse all CWE-436 vulnerabilities →