CVE-2021-30677

high-risk
Published 2021-09-08

This issue was addressed with improved environment sanitization. This issue is fixed in tvOS 14.6, iOS 14.6 and iPadOS 14.6, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave, macOS Big Sur 11.4, watchOS 7.5. A malicious application may be able to break out of its sandbox.

Do I need to act?

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0.11% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10 High
LOCAL / LOW complexity

Affected Products (20)

Affected Vendors

Apple

References (14)

Release Notes https://support.apple.com/en-us/HT212528
Release Notes https://support.apple.com/en-us/HT212529
Release Notes https://support.apple.com/en-us/HT212532
Release Notes https://support.apple.com/en-us/HT212533
Release Notes https://support.apple.com/en-us/HT212600
Release Notes https://support.apple.com/en-us/HT212603
Release Notes https://support.apple.com/kb/HT212602
Release Notes https://support.apple.com/en-us/HT212528
Release Notes https://support.apple.com/en-us/HT212529
Release Notes https://support.apple.com/en-us/HT212532
Release Notes https://support.apple.com/en-us/HT212533
Release Notes https://support.apple.com/en-us/HT212600
Release Notes https://support.apple.com/en-us/HT212603
Release Notes https://support.apple.com/kb/HT212602
50
/ 100
high-risk
Severity 27/34 · High
Exploitability 0/34 · Minimal
Exposure 23/34 · High