CVE-2021-30883

moderate-risk
Published 2021-08-24

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..

Do I need to act?

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0.36% chance of exploitation
EPSS score — low exploit probability
!
CISA KEV: actively exploited in the wild
On the Known Exploited Vulnerabilities catalog — federal agencies must patch
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.8/10 High
LOCAL / LOW complexity

Affected Products (6)

Affected Vendors

Apple

References (13)

Vendor Advisory https://support.apple.com/en-us/HT212846
Vendor Advisory https://support.apple.com/en-us/HT212868
Vendor Advisory https://support.apple.com/en-us/HT212869
Vendor Advisory https://support.apple.com/en-us/HT212872
Vendor Advisory https://support.apple.com/en-us/HT212874
Vendor Advisory https://support.apple.com/en-us/HT212876
Vendor Advisory https://support.apple.com/en-us/HT212846
Vendor Advisory https://support.apple.com/en-us/HT212868
Vendor Advisory https://support.apple.com/en-us/HT212869
Vendor Advisory https://support.apple.com/en-us/HT212872
Vendor Advisory https://support.apple.com/en-us/HT212874
Vendor Advisory https://support.apple.com/en-us/HT212876
US Government Resource https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-...
45
/ 100
moderate-risk
Severity 24/34 · High
Exploitability 8/34 · Low
Exposure 13/34 · Low