CVE-2021-30681
HIGHiPadOS < 14.6 - Privilege Escalation via Symlink Validation Issue
Title source: llmDescription
A validation issue existed in the handling of symlinks. This issue was addressed with improved validation of symlinks. This issue is fixed in Security Update 2021-004 Mojave, iOS 14.6 and iPadOS 14.6, Security Update 2021-003 Catalina, macOS Big Sur 11.4, watchOS 7.5. A malicious application may be able to gain root privileges.
References (5)
Core 5
Core References
Release Notes, Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212528
Release Notes, Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212529
Release Notes, Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212533
Release Notes, Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212530
Release Notes, Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212531
Scores
CVSS v3
7.8
EPSS
0.0100
EPSS Percentile
58.3%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Details
CWE
CWE-20
Status
published
Products (7)
apple/ipados
< 14.6
apple/iphone_os
< 14.6
apple/mac_os_x
10.14.6 (19 CPE variants)
apple/mac_os_x
10.15.7 (8 CPE variants)
apple/mac_os_x
10.14 - 10.14.5
apple/macos
11.0 - 11.4
apple/watchos
< 7.5
Published
Sep 08, 2021
Tracked Since
Feb 18, 2026