CVSS v3
7.8
HIGH
EPSS Score
1.2%
exploit probability
CISA KEV
Yes
known exploited
Exploitation
—
SSVC status
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.
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.
Yes. CVE-2021-30900 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 4/20/2023.
CVE-2021-30900 has a CVSS v3 base score of 7.8 (HIGH severity).
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Ranked by exploit probability (EPSS).