CVE-2021-1791

Published: Apr 2, 2021Modified: Nov 21, 2024

5.5

Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Exploitability: 1.8 / Impact: 3.6

Source: NVD

Description

An out-of-bounds read issue existed that led to the disclosure of kernel memory. This was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. A malicious application may be able to disclose kernel memory.

Affected (23)

Products: Apple: Ipados, Iphone Os, Mac Os X, Macos, Tvos, Watchos

6 products

Configuration A

23 vulnerable

Vulnerable Software	Affected Versions
Apple Ipados	Before 14.4
Apple Iphone Os	Before 14.4
Apple Mac Os X	From 10.14 to 10.14.6
Apple Mac Os X	From 10.15 to 10.15.7
Apple Mac Os X	Version 10.14.6
Apple Mac Os X	Version 10.14.6 security_update_2019-004
Apple Mac Os X	Version 10.14.6 security_update_2019-005
Apple Mac Os X	Version 10.14.6 security_update_2019-006
Apple Mac Os X	Version 10.14.6 security_update_2019-007
Apple Mac Os X	Version 10.14.6 security_update_2020-001
Apple Mac Os X	Version 10.14.6 security_update_2020-002
Apple Mac Os X	Version 10.14.6 security_update_2020-003
Apple Mac Os X	Version 10.14.6 security_update_2020-004
Apple Mac Os X	Version 10.14.6 security_update_2020-005
Apple Mac Os X	Version 10.14.6 security_update_2020-006
Apple Mac Os X	Version 10.14.6 security_update_2020-007
Apple Mac Os X	Version 10.14.6 supplemental_update
Apple Mac Os X	Version 10.14.6 supplemental_update_2
Apple Mac Os X	Version 10.15.7
Apple Mac Os X	Version 10.15.7 supplemental_update
Apple Macos	From 11.0 to 11.2
Apple Tvos	Before 14.4
Apple Watchos	Before 7.3