CVE-2016-4644

MediumCVSS 6.5/10Last modified Jun 17, 2026

Description

In iOS before 9.3.3, tvOS before 9.2.2, and OS X El Capitan before v10.11.6 and Security Update 2016-004, a downgrade issue existed with HTTP authentication credentials saved in Keychain. This issue was addressed by storing the authentication types with the credentials.

Metrics

CVSS 3.0 6.5/10CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-200

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://support.apple.com/HT206902Vendor Advisory
https://support.apple.com/HT206903Vendor Advisory
https://support.apple.com/HT206905Vendor Advisory
https://support.apple.com/HT206902Vendor Advisory
https://support.apple.com/HT206903Vendor Advisory
https://support.apple.com/HT206905Vendor Advisory

Timeline

Published: Jan 11, 2019
Last modified: Jun 17, 2026
NVD status: Modified

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