High severity · published Aug 24, 2021
CVE-2021-30883
Apple Multiple Products Memory Corruption Vulnerability
In wildKEV
7.8
CVSS
14.7%
EPSS
Yes
On KEV
Description
A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 15.0.2 and iPadOS 15.0.2, macOS Monterey 12.0.1, iOS 14.8.1 and iPadOS 14.8.1, tvOS 15.1, watchOS 8.1, macOS Big Sur 11.6.1. An application may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited..
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)14.7% · higher than 97% of CVEs
Exploited in the wildYes
CISA KEVListed May 23, 2022
Federal remediation dueJun 13, 2022
Ransomware campaign useNot known
Affected products
Which versions
MA
macOS · Apple
before 12.0; before 11.6; before 8.1; before 15.1 · source: vendor, NVD
IO
iOS · Apple
before 14.8.1; 15.0 before 15.0.2 · source: NVD
IA
iOS and iPadOS · Apple
before 15.0; before 14.8 · source: vendor
TV
Tvos · Apple
before 15.1 · source: NVD
WA
Watchos · Apple
before 8.1 · source: NVD
MP
Multiple Products · Apple
All versions, or not specified · source: KEV
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-30883
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-30883
CISA KEV catalogue
https://www.cisa.gov/known-exploited-vulnerabilities-catalog
x_refsource_MISC
https://support.apple.com/en-us/HT212869
x_refsource_MISC
https://support.apple.com/en-us/HT212872
x_refsource_MISC
https://support.apple.com/en-us/HT212846
x_refsource_MISC
https://support.apple.com/en-us/HT212868
x_refsource_MISC
https://support.apple.com/en-us/HT212874
x_refsource_MISC
https://support.apple.com/en-us/HT212876
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