CVE-2021-30900

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.
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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CISA-ADPADP
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
Base Score
CVSS 3.x
EPSS Score
Percentile: 78%
VendorProductVersion
appleipados
𝑥
< 14.8.1
appleipados
15.0
appleiphone_os
𝑥
< 14.8.1
appleiphone_os
15.0
applemacos
𝑥
< 11.6.1
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://support.apple.com/en-us/HT212867
https://support.apple.com/en-us/HT212868
https://support.apple.com/kb/HT212872
https://support.apple.com/en-us/HT212867
https://support.apple.com/en-us/HT212868
https://support.apple.com/kb/HT212872
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30900