CVE-2020-9783

Name: CVE-2020-9783
Creator: NVD / NIST
Published: 2020-04-01T18:15:18.067+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 1.29%

Last modified Jun 17, 2026

CVE-2020-9783 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. A use after free issue was addressed with improved memory management. This issue is fixed in iOS 13.4 and iPadOS 13.4, tvOS 13.4, Safari 13.1, iTunes for Windows 12.10.5, iCloud for Windows 10.9.3, iCloud for Windows 7.18. EPSS estimates a 1.29% chance of exploitation in the next 30 days.

Description

A use after free issue was addressed with improved memory management. This issue is fixed in iOS 13.4 and iPadOS 13.4, tvOS 13.4, Safari 13.1, iTunes for Windows 12.10.5, iCloud for Windows 10.9.3, iCloud for Windows 7.18. Processing maliciously crafted web content may lead to code execution.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

1.29%

66.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-416

Affected Software

Vendor	Product	Versions
Apple	Icloud	< 10.9.3
Apple	Itunes	< 12.10.5
Apple	Safari	< 13.1
Apple	Ipados	< 13.4
Apple	Iphone Os	< 13.4
Apple	Tvos	< 13.4

References

https://support.apple.com/HT211101Vendor Advisory
https://support.apple.com/HT211102Vendor Advisory
https://support.apple.com/HT211104Vendor Advisory
https://support.apple.com/HT211105Vendor Advisory
https://support.apple.com/HT211106Vendor Advisory
https://support.apple.com/HT211107Vendor Advisory
https://support.apple.com/HT211101Vendor Advisory
https://support.apple.com/HT211102Vendor Advisory
https://support.apple.com/HT211104Vendor Advisory
https://support.apple.com/HT211105Vendor Advisory
https://support.apple.com/HT211106Vendor Advisory
https://support.apple.com/HT211107Vendor Advisory

Timeline

Published: Apr 1, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-9783?

How severe is CVE-2020-9783?

CVE-2020-9783 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.29% probability of exploitation in the next 30 days.

How do I fix CVE-2020-9783?

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-2020-9783?

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

Scan your code now

Source: NVD / NIST