CVE-2021-30907

HIGH

iPadOS/iOS <14.8.1, macOS <10.15.7/>=11.0 <11.6.1, tvOS <15.1, watchOS <8.1 - Privilege Escalation via Integer Overflow

Title source: llm
STIX 2.1

Description

An integer overflow was addressed through improved input validation. This issue is fixed in iOS 15.1 and iPadOS 15.1, macOS Monterey 12.0.1, iOS 14.8.1 and iPadOS 14.8.1, tvOS 15.1, watchOS 8.1, Security Update 2021-007 Catalina, macOS Big Sur 11.6.1. A malicious application may be able to elevate privileges.

References (7)

Core 7
Core References
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212869
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212871
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212872
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212867
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212868
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212874
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212876

Scores

CVSS v3 7.8
EPSS 0.0098
EPSS Percentile 57.5%
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-190
Status published
Products (10)
apple/ipad_os < 14.8.1
apple/ipados 15.0
apple/iphone_os 15.0
apple/iphone_os < 14.8.1
apple/mac_os_x 10.15.7 (9 CPE variants)
apple/mac_os_x < 10.15.7
apple/macos 12.0
apple/macos 11.0 - 11.6.1
apple/tvos < 15.1
apple/watchos < 8.1
Published Aug 24, 2021
Tracked Since Feb 18, 2026