Vuln ID: CVE-2016-4644

Published:  2019-01-11  18:29:00Z

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.

Source: NVD.NIST.GOV