Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 14.8 and iPadOS 14.8, watchOS 8, Safari 15, tvOS 15, iOS 15 and iPadOS 15, iTunes 12.12 for Windows. Processing maliciously crafted web content may lead to arbitrary code execution.
Published 2021-10-19 14:15:10
Updated 2021-11-23 20:20:37
Source Apple Inc.
View at NVD,   CVE.org
Vulnerability category: Memory Corruption

Threat overview for CVE-2021-30849

Top countries where our scanners detected CVE-2021-30849
Top open port discovered on systems with this issue 3689
IPs affected by CVE-2021-30849 67
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2021-30849!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2021-30849

Probability of exploitation activity in the next 30 days: 0.09%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 37 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2021-30849

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
6.8
MEDIUM AV:N/AC:M/Au:N/C:P/I:P/A:P
8.6
6.4
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-2021-30849

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

References for CVE-2021-30849

Products affected by CVE-2021-30849

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