Vulnerability Monitor

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CVE-2020-27899

A use after free issue was addressed with improved memory management. This issue is fixed in iOS 14.2 and iPadOS 14.2, macOS Big Sur 11.0.1, watchOS 7.1, tvOS 14.2. A local attacker may be able to elevate their privileges.

Published

2021-04-02T18:15:15.153

Last Modified

2024-11-21T05:22:00.683

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.8 (HIGH)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:P/I:P/A:P

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

3.9

Impact Score

6.4

Weaknesses

Type: Primary
CWE-416

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	apple	ipados	< 14.2	Yes
Operating System	apple	iphone_os	< 14.2	Yes
Operating System	apple	macos	< 11.0.1	Yes
Operating System	apple	tvos	< 14.2	Yes
Operating System	apple	watchos	< 7.1	Yes

References

https://support.apple.com/en-us/HT211928 Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT211929 Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT211930 Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT211931 Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT211928 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/en-us/HT211929 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/en-us/HT211930 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/en-us/HT211931 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)