CVE-2021-30883

HIGH KEV

Apple <15.0.2-14.8.1 - Memory Corruption

Title source: llm

Description

A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 15.0.2 and iPadOS 15.0.2, macOS Monterey 12.0.1, iOS 14.8.1 and iPadOS 14.8.1, tvOS 15.1, watchOS 8.1, macOS Big Sur 11.6.1. An application may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited..

Exploits (1)

vulncheck_xdb WORKING POC
local
https://github.com/saaramar/IOMFB_integer_overflow_poc

Scores

CVSS v3 7.8
EPSS 0.0036
EPSS Percentile 58.5%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CISA KEV 2022-05-23
VulnCheck KEV 2021-10-11
InTheWild.io 2021-10-11
ENISA EUVD EUVD-2021-17800
CWE
CWE-787
Status published
Products (6)
apple/ipados < 14.8.1
apple/iphone_os < 14.8.1
apple/macos 12.0
apple/macos 11.0 - 11.6.1
apple/tvos < 15.1
apple/watchos < 8.1
Published Aug 24, 2021
KEV Added May 23, 2022
Tracked Since Feb 18, 2026