Description
A certificate validation issue existed when processing administrator added certificates. This issue was addressed with improved certificate validation. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, tvOS 13.4.8, watchOS 6.2.8. An attacker may have been able to impersonate a trusted website using shared key material for an administrator added certificate.
References (4)
Core 4
Core References
Vendor Advisory x_refsource_misc
https://support.apple.com/kb/HT211289
Vendor Advisory x_refsource_misc
https://support.apple.com/kb/HT211288
Vendor Advisory x_refsource_misc
https://support.apple.com/kb/HT211290
Vendor Advisory x_refsource_misc
https://support.apple.com/kb/HT211291
Scores
CVSS v3
9.1
EPSS
0.0103
EPSS Percentile
59.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Details
CWE
CWE-295
Status
published
Products (5)
apple/ipados
< 13.6
apple/iphone_os
< 13.6
apple/mac_os_x
< 10.15.6
apple/tvos
< 13.4.8
apple/watchos
< 6.2.8
Published
Oct 22, 2020
Tracked Since
Feb 18, 2026