CVE-2019-8649

Name: CVE-2019-8649
Creator: NVD / NIST
Published: 2019-12-18T18:15:31.257+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 4.56%

Last modified Jun 17, 2026

CVE-2019-8649 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. A logic issue existed in the handling of synchronous page loads. This issue was addressed with improved state management. EPSS estimates a 4.56% chance of exploitation in the next 30 days.

Description

A logic issue existed in the handling of synchronous page loads. This issue was addressed with improved state management. This issue is fixed in iOS 12.4, macOS Mojave 10.14.6, tvOS 12.4, Safari 12.1.2, iTunes for Windows 12.9.6, iCloud for Windows 7.13, iCloud for Windows 10.6. Processing maliciously crafted web content may lead to universal cross site scripting.

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

4.56%

90.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Apple	Icloud	< 7.13
Apple	Icloud	>= 10.0, < 10.6
Apple	Itunes	< 12.9.6
Apple	Safari	< 12.1.2
Apple	Iphone Os	< 12.4
Apple	Mac Os X	< 10.14.6
Apple	Tvos	< 12.4

References

https://support.apple.com/HT210346Vendor Advisory
https://support.apple.com/HT210348Vendor Advisory
https://support.apple.com/HT210351Vendor Advisory
https://support.apple.com/HT210355Vendor Advisory
https://support.apple.com/HT210356Vendor Advisory
https://support.apple.com/HT210357Vendor Advisory
https://support.apple.com/HT210358Vendor Advisory
https://support.apple.com/HT210346Vendor Advisory
https://support.apple.com/HT210348Vendor Advisory
https://support.apple.com/HT210351Vendor Advisory
https://support.apple.com/HT210355Vendor Advisory
https://support.apple.com/HT210356Vendor Advisory
https://support.apple.com/HT210357Vendor Advisory
https://support.apple.com/HT210358Vendor Advisory

Timeline

Published: Dec 18, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-8649?

How severe is CVE-2019-8649?

CVE-2019-8649 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 4.56% probability of exploitation in the next 30 days.

How do I fix CVE-2019-8649?

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-2019-8649?

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

Scan your code now

Source: NVD / NIST