CVE-2021-30767

MEDIUM

5.5

CVSS Score

Published: December 23, 2021 at 07:48 PM UTC

Updated: June 17, 2026 at 03:50 AM UTC

4 products affected across 1 vendormacOSiPhone OSiPadOS

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Severity

MEDIUM5.5

Exploit prediction

EPSS 0.3%

Description

A logic issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.6.2, macOS Monterey 12.1, Security Update 2021-008 Catalina, iOS 15.2 and iPadOS 15.2, watchOS 8.3. A local user may be able to modify protected parts of the file system.

Affected

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

iPadOS · Apple

95%

v < 15.2

Affected range stops below 15.2, so it looks safe — our inference, not a vendor statement

iPhone OS · Apple

95%

v < 15.2

Affected range stops below 15.2, so it looks safe — our inference, not a vendor statement

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

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

watchOS · Apple

95%

v ≤ 8.3v < 8.3

Affected range stops below 8.3, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references