CVE-2021-30975

moderate-risk
Published 2021-08-24

This issue was addressed by disabling execution of JavaScript when viewing a scripting dictionary. This issue is fixed in macOS Monterey 12.1, Security Update 2021-008 Catalina, macOS Big Sur 11.6.2. A malicious OSAX scripting addition may bypass Gatekeeper checks and circumvent sandbox restrictions.

Do I need to act?

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0.45% 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 8.6/10 High
LOCAL / LOW complexity

Affected Vendors

45
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 2/34 · Minimal
Exposure 17/34 · Moderate