CVE-2021-1816

A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. A malicious application may be able to execute arbitrary code with kernel privileges.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.8 HIGH
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
appleCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 60%
VendorProductVersion
appleipados
𝑥
< 14.5
appleiphone_os
𝑥
< 14.5
appletvos
𝑥
< 14.5
applewatchos
𝑥
< 7.4
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://support.apple.com/en-us/HT212317
https://support.apple.com/en-us/HT212323
https://support.apple.com/en-us/HT212324
https://support.apple.com/en-us/HT212317
https://support.apple.com/en-us/HT212323
https://support.apple.com/en-us/HT212324