CVE-2020-9753

Name: CVE-2020-9753
Creator: NVD / NIST
Published: 2020-05-20T03:15:10.07+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.1/10EPSS 1.07%

Last modified Jun 17, 2026

CVE-2020-9753 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. Whale Browser Installer before 1.2.0.5 versions don't support signature verification for Flash installer.. EPSS estimates a 1.07% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

9.1/10

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

EPSS Probability

1.07%

60.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Naver	Whale Browser Installer	< 2.6.88.19

References

https://cve.naver.com/detail/cve-2020-9753Vendor Advisory
https://cve.naver.com/detail/cve-2020-9753Vendor Advisory

Timeline

Published: May 20, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-9753?

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

How severe is CVE-2020-9753?

CVE-2020-9753 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 1.07% probability of exploitation in the next 30 days.

How do I fix CVE-2020-9753?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-9753?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST