CVE-2021-30966

HIGH

macOS Monterey <12.1 - Info Disclosure

Title source: llm
STIX 2.1

Description

A logic issue was addressed with improved state management. This issue is fixed in macOS Monterey 12.1, watchOS 8.3, iOS 15.2 and iPadOS 15.2, tvOS 15.2. User traffic might unexpectedly be leaked to a proxy server despite PAC configurations.

References (4)

Core 4
Core References
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212975
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212976
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212978
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212980

Scores

CVSS v3 7.5
EPSS 0.0147
EPSS Percentile 70.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Details

Status published
Products (5)
apple/ipados < 15.2
apple/iphone_os < 15.2
apple/macos < 12.1
apple/tvos < 15.2
apple/watchos < 8.3
Published Aug 24, 2021
Tracked Since Feb 18, 2026