CVE-2021-30975

HIGH

8.6

CVSS Score

Published: August 24, 2021 at 06:51 PM UTC

Updated: June 17, 2026 at 03:51 AM UTC

1 product affected across 1 vendormacOS

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Severity

HIGH8.6

Exploit prediction

EPSS 2%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

macOS · Apple

95%

v < 11.6v < 12.1v < 202110.15 ≤ v < 10.15.711.0 ≤ v < 11.6.212.0 ≤ v < 12.110.15.7 10.15.7 security_update_2020-001 10.15.7 security_update_2021-001 10.15.7 security_update_2021-002 10.15.7 security_update_2021-003 10.15.7 security_update_2021-004 10.15.7 security_update_2021-005 10.15.7 security_update_2021-006 10.15.7 security_update_2021-007 10.15.7 supplemental_update

Affected range stops below 10.15.7, so it looks safe — our inference, not a vendor statement

Affected range stops below 11.6, so it looks safe — our inference, not a vendor statement

Affected range stops below 11.6.2, so it looks safe — our inference, not a vendor statement

Affected range stops below 12.1, so it looks safe — our inference, not a vendor statement

Affected range stops below 2021, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (3)

x_refsource_MISC

Source: [email protected]

https://support.apple.com/en-us/HT212978

x_refsource_MISC

Source: [email protected]

https://support.apple.com/en-us/HT212979

x_refsource_MISC

Source: [email protected]

https://support.apple.com/en-us/HT212981

CVSS

8.6HIGH[email protected]

Attack Vector: LOCAL
Complexity: LOW
Privileges: NONE
User Interaction: REQUIRED
Scope: CHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-863

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