CVE-2021-30681

HIGH

iPadOS < 14.6 - Privilege Escalation via Symlink Validation Issue

Title source: llm
STIX 2.1

Description

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