VulnerabilityModified
CVE-2016-4644
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.
MEDIUM 6.5EPSS 1.33%
Does this matter?
Lower severity and a low EPSS score (1.33%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.0
- 6.5 MEDIUMCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 1.33% probability · 70th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-200
- Affected
- apple/apple tv · apple/iphone os · apple/mac os
- Source
- product-security@apple.com
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.