CVE-2021-30900

moderate-risk
Published 2021-08-24

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 14.8.1 and iPadOS 14.8.1, iOS 15.1 and iPadOS 15.1. A malicious application may be able to execute arbitrary code with kernel privileges.

Do I need to act?

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0.48% 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 (5)

Affected Vendors

Apple

References (7)

Vendor Advisory https://support.apple.com/en-us/HT212867
Vendor Advisory https://support.apple.com/en-us/HT212868
Vendor Advisory https://support.apple.com/kb/HT212872
Vendor Advisory https://support.apple.com/en-us/HT212867
Vendor Advisory https://support.apple.com/en-us/HT212868
Vendor Advisory https://support.apple.com/kb/HT212872
US Government Resource https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-...
45
/ 100
moderate-risk
Severity 24/34 · High
Exploitability 9/34 · Low
Exposure 12/34 · Low