An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 15.2 and iPadOS 15.2. A malicious application may be able to execute arbitrary code with kernel privileges.
Published 2021-08-24 19:15:24
Updated 2021-12-29 16:03:32
Source MITRE
View at NVD,   CVE.org
Vulnerability category: Memory CorruptionExecute code

Products affected by CVE-2021-30985

Exploit prediction scoring system (EPSS) score for CVE-2021-30985

0.07%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 32 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-30985

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
9.3
HIGH AV:N/AC:M/Au:N/C:C/I:C/A:C
8.6
10.0
NIST
7.8
HIGH CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
1.8
5.9
NIST

CWE ids for CVE-2021-30985

  • The product writes data past the end, or before the beginning, of the intended buffer.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2021-30985

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