9.3

CVE-2021-30900

Warning

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 14.8.1 and iPadOS 14.8.1, iOS 15.1 and iPadOS 15.1. A malicious application may be able to execute arbitrary code with kernel privileges.

Data is provided by the National Vulnerability Database (NVD)
Apple ≫ iPadOS Version < 14.8.1
Apple ≫ iPadOS Version15.0
Apple ≫ iPhone OS Version < 14.8.1
Apple ≫ iPhone OS Version15.0
Apple ≫ macOS Version < 11.6.1

30.03.2023: CISA Known Exploited Vulnerabilities (KEV) Catalog

Apple iOS, iPadOS, and macOS Out-of-Bounds Write Vulnerability

Vulnerability

Apple GPU drivers, included in iOS, iPadOS, and macOS, contain an out-of-bounds write vulnerability that may allow a malicious application to execute code with kernel privileges.

Description

Apply updates per vendor instructions.

Required actions
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 1.38% 0.792
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 7.8 1.8 5.9
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
nvd@nist.gov 9.3 8.6 10
AV:N/AC:M/Au:N/C:C/I:C/A:C
134c704f-9b21-4f2e-91b3-4a467353bcc0 7.8 1.8 5.9
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE-787 Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.