CVE-2021-30883

7.8 HIGH CISA KEV - Actively Exploited
Published: August 24, 2021 Modified: October 23, 2025
View on NVD

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..

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://support.apple.com/en-us/HT212846
Source: product-security@apple.com
Vendor Advisory
https://support.apple.com/en-us/HT212868
Source: product-security@apple.com
Vendor Advisory
https://support.apple.com/en-us/HT212869
Source: product-security@apple.com
Vendor Advisory
https://support.apple.com/en-us/HT212872
Source: product-security@apple.com
Vendor Advisory
https://support.apple.com/en-us/HT212874
Source: product-security@apple.com
Vendor Advisory
https://support.apple.com/en-us/HT212876
Source: product-security@apple.com
Vendor Advisory
https://support.apple.com/en-us/HT212846
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
https://support.apple.com/en-us/HT212868
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
https://support.apple.com/en-us/HT212869
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
https://support.apple.com/en-us/HT212872
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
https://support.apple.com/en-us/HT212874
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
https://support.apple.com/en-us/HT212876
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30883
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
US Government Resource

13 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.8 / 10.0
EPSS (Exploit Probability)
0.7%
71th percentile
Exploitation Status
Actively Exploited
Remediation due: 2022-06-13

Weaknesses (CWE)

CWE-787 CWE-787

Affected Vendors

apple

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