CVE-2021-30780

moderate-risk
Published 2021-09-08

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 14.7, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7, Security Update 2021-005 Mojave, Security Update 2021-004 Catalina. A malicious application may be able to gain root privileges.

Do I need to act?

-
0.39% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.8/10 High
LOCAL / LOW complexity

Affected Products (20)

Affected Vendors

Apple

References (12)

Release Notes https://support.apple.com/en-us/HT212600
Release Notes https://support.apple.com/en-us/HT212601
Release Notes https://support.apple.com/en-us/HT212602
Release Notes https://support.apple.com/en-us/HT212603
Release Notes https://support.apple.com/en-us/HT212604
Release Notes https://support.apple.com/en-us/HT212605
Release Notes https://support.apple.com/en-us/HT212600
Release Notes https://support.apple.com/en-us/HT212601
Release Notes https://support.apple.com/en-us/HT212602
Release Notes https://support.apple.com/en-us/HT212603
Release Notes https://support.apple.com/en-us/HT212604
Release Notes https://support.apple.com/en-us/HT212605
48
/ 100
moderate-risk
Severity 24/34 · High
Exploitability 1/34 · Minimal
Exposure 23/34 · High