Is CVE-2020-9753 in the CISA KEV catalog?

No. CVE-2020-9753 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-9753?

CVE-2020-9753 has a CVSS v3 base score of 9.1 (CRITICAL).

What is the EPSS score for CVE-2020-9753?

CVE-2020-9753 has an EPSS score of 1.07% (61th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-9753?

Upgrade whale browser installer to 2.6.88.19 or later.

CVE & CISA-KEV Catalog

CVE-2020-9753

CRITICAL

9.1

CVSS v3

NVD

Description

Whale Browser Installer before 1.2.0.5 versions don't support signature verification for Flash installer.

CWE-347

How to fix

Remediation Available

whale browser installerNVD

Affected:< 2.6.88.19Fixed in:2.6.88.19CVE-2020-9753derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

1.07%probability of exploitation in 30 days

61stpercentile

Moderate risk: more likely to be exploited than 61% of all known CVEs.

References

Vendor Advisory1

cve.naver.com

Related Vulnerabilities

Other CWE-347 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2018-16042	Medium	6.5	82%	-	-
CVE-2025-59718	Critical	9.8	66%	KEV	Fix
CVE-2025-25292	Critical	9.8	64%	-	Fix
CVE-2021-22160	Critical	9.8	53%	-	Fix
CVE-2013-3900	Medium	5.5	45%	KEV	-
CVE-2018-0114	High	7.5	43%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.