Medium severity · published Dec 8, 2020
CVE-2020-27950
Apple Multiple Products Memory Initialization Vulnerability
In wildKEV
5.5
CVSS
16.5%
EPSS
Yes
On KEV
Description
A memory initialization issue was addressed. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.1, iOS 12.4.9, watchOS 6.2.9, Security Update 2020-006 High Sierra, Security Update 2020-006 Mojave, iOS 14.2 and iPadOS 14.2, watchOS 5.3.9, macOS Catalina 10.15.7 Supplemental Update, macOS Catalina 10.15.7 Update. A malicious application may be able to disclose kernel memory.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)16.5% · higher than 97% of CVEs
Exploited in the wildYes
CISA KEVListed Nov 3, 2021
Federal remediation dueMay 3, 2022
Ransomware campaign useNot known
Affected products
Which versions
MA
macOS · Apple
before 11.0; before 12.4; before 6.2; before 5.3; before 2020; before 10.15 · source: vendor, NVD
IO
iOS · Apple
before 14.2 · source: NVD
IA
iOS and iPadOS · Apple
before 14.2 · source: vendor
WA
watchOS · Apple
before 7.1 · source: vendor, NVD
MP
Multiple Products · Apple
All versions, or not specified · source: KEV
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-27950
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-27950
CISA KEV catalogue
https://www.cisa.gov/known-exploited-vulnerabilities-catalog
x_refsource_MISC
https://support.apple.com/en-us/HT211931
x_refsource_MISC
https://support.apple.com/en-us/HT211928
x_refsource_MISC
https://support.apple.com/en-us/HT211929
x_refsource_MISC
https://support.apple.com/en-us/HT211940
x_refsource_MISC
https://support.apple.com/en-us/HT211944
x_refsource_MISC
https://support.apple.com/en-us/HT211945
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