6.5med
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 HT…
Published 7 y ago · modified 4 mo ago · JSON
CVSS
6.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
1.3%
percentile 71%
Public exploits
0
none known
Summary
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.
Exploit prediction (EPSS)
1.33% probability of exploitation in the next 30 days, higher than 71% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| NVD | 3.0 | 6.5 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 4.0 | AV:N/AC:L/Au:S/C:P/I:N/A:N |
Classification
- Weakness
- CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
References
- support.apple.com /HT206902 · x_refsource_MISC, x_transferred
- support.apple.com /HT206903 · x_refsource_MISC, x_transferred
- support.apple.com /HT206905 · x_refsource_CONFIRM, x_transferred
Sources
- CVE List: CVE-2016-4644
- NVD: CVE-2016-4644
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