A use after free issue was addressed with improved memory management. This issue is fixed in watchOS 7.0, iOS 14.0 and iPadOS 14.0, iTunes for Windows 12.10.9, iCloud for Windows 11.5, tvOS 14.0, Safari 14.0. Processing maliciously crafted web content may lead to arbitrary code execution.
Published 2020-12-08 20:15:17
Updated 2022-06-02 18:56:08
Source Apple Inc.
View at NVD,   CVE.org
Vulnerability category: Memory Corruption

Threat overview for CVE-2020-9947

Top countries where our scanners detected CVE-2020-9947
Top open port discovered on systems with this issue 3689
IPs affected by CVE-2020-9947 25
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2020-9947!
*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-2020-9947

Probability of exploitation activity in the next 30 days: 0.44%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 72 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2020-9947

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
8.8
HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
2.8
5.9
NIST

CWE ids for CVE-2020-9947

  • Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2020-9947

Products affected by CVE-2020-9947

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