CVE-2020-9633

Name: CVE-2020-9633
Creator: NVD / NIST
Published: 2020-06-12T14:15:11.45+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 7.56%

Last modified Jun 17, 2026

CVE-2020-9633 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Adobe Flash Player Desktop Runtime 32.0.0.371 and earlier, Adobe Flash Player for Google Chrome 32.0.0.371 and earlier, and Adobe Flash Player for Microsoft Edge and Internet Explorer 32.0.0.330 and earlier have an use after free vulnerability. Successful exploitation could lead to arbitrary code execution.. EPSS estimates a 7.56% chance of exploitation in the next 30 days.

Description

Adobe Flash Player Desktop Runtime 32.0.0.371 and earlier, Adobe Flash Player for Google Chrome 32.0.0.371 and earlier, and Adobe Flash Player for Microsoft Edge and Internet Explorer 32.0.0.330 and earlier have an use after free vulnerability. Successful exploitation could lead to arbitrary code execution.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

7.56%

93.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-416

Affected Software

Vendor	Product	Versions
Adobe	Flash Player Desktop Runtime	<= 32.0.0.371
Adobe	Flash Player	<= 32.0.0.371
Adobe	Flash Player	<= 32.0.0.330

References

https://helpx.adobe.com/security/products/flash-player/apsb20-30.htmlVendor Advisory
https://security.gentoo.org/glsa/202006-09Third Party Advisory
https://helpx.adobe.com/security/products/flash-player/apsb20-30.htmlVendor Advisory
https://security.gentoo.org/glsa/202006-09Third Party Advisory

Timeline

Published: Jun 12, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-9633?

How severe is CVE-2020-9633?

CVE-2020-9633 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 7.56% probability of exploitation in the next 30 days.

How do I fix CVE-2020-9633?

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-2020-9633?

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

Scan your code now

Source: NVD / NIST