CVE-2021-30993

HIGH

macOS Monterey <12.1 - Buffer Overflow

Title source: llm
STIX 2.1

Description

A buffer overflow issue was addressed with improved memory handling. This issue is fixed in macOS Monterey 12.1, watchOS 8.3, iOS 15.2 and iPadOS 15.2, tvOS 15.2. An attacker in a privileged network position may be able to execute arbitrary code.

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 8.1
EPSS 0.0167
EPSS Percentile 82.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-120
Status published
Products (5)
apple/ipados < 15.2
apple/iphone_os < 15.2
apple/macos 12.0 - 12.1
apple/tvos < 15.2
apple/watchos < 8.3
Published Aug 24, 2021
Tracked Since Feb 18, 2026