CVE-2019-8834 Details
Description
A configuration issue was addressed with additional restrictions. This issue is fixed in tvOS 13.3, watchOS 6.1.1, iCloud for Windows 10.9, macOS Catalina 10.15.2, Security Update 2019-002 Mojave, and Security Update 2019-007 High Sierra, iOS 13.3 and iPadOS 13.3, iTunes 12.10.3 for Windows, iCloud for Windows 7.16. An attacker in a privileged network position may be able to bypass HSTS for a limited number of specific top-level domains previously not in the HSTS preload list.
A vulnerability exists in the CFNetwork component of multiple Apple products, including iOS, iPadOS, macOS, watchOS, and iTunes for Windows. This vulnerability allows an attacker in a privileged network position to bypass HTTP Strict Transport Security (HSTS) for certain top-level domains that are not included in the HSTS preload list. The issue arises from a configuration flaw that has now been addressed with additional restrictions.
Users can update to the latest versions of the affected Apple products to address this vulnerability. Specific update details can be found on the Apple security updates page.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
No SSVC data is available for this CVE.
References to Advisories, Solutions, and Tools
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Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| NVD-CWE-noinfo | Insufficient Information to Classify Weakness | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| apple icloud | < 7.16 >= 10.0, < 10.9 |
CPE
Remediation
| |
| apple itunes | < 12.10.3 |
CPE
Remediation
| |
| apple ipados | < 13.3 |
CPE
Remediation
| |
| apple iphone os | < 13.3 |
CPE
Remediation
| |
| apple mac os x | < 10.15.2 |
CPE
Remediation
| |
| apple tvos | < 13.3 |
CPE
Remediation
| |
| apple watchos | < 6.1.1 |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Nov 21, 2024 | CVE Modified | CVE |
| May 14, 2024 | CVE Modified | [email protected] |
| Oct 30, 2020 | Initial Analysis | [email protected] |