High severity · published Dec 23, 2021
CVE-2020-3886
A use after free issue was addressed with improved memory management
7.8
CVSS
1%
EPSS
No
On KEV
Description
A use after free issue was addressed with improved memory management. This issue is fixed in macOS Catalina 10.15.4, Security Update 2020-002 Mojave, Security Update 2020-002 High Sierra. A malicious application may be able to execute arbitrary code with kernel privileges.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 62% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MO
Mac OS X · Apple
10.13 before 10.13.6; 10.14 before 10.14.6; 10.15 before 10.15.4; 10.13.6; 10.13.6; 10.13.6; +12 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-3886
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-3886
Vendor Advisory
https://support.apple.com/en-us/HT211100
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