CVE-2021-30740
HIGH
7.8
CVSS Score
Published: September 8, 2021 at 01:43 PM UTC
Updated: June 17, 2026 at 03:50 AM UTC
5 products affected across 1 vendormacOSiPhone OSiPadOS
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Severity
HIGH7.8
Exploit prediction
EPSS 1%
Description
A logic issue was addressed with improved validation. This issue is fixed in macOS Big Sur 11.4, tvOS 14.6, watchOS 7.5, iOS 14.6 and iPadOS 14.6. A malicious application may be able to execute arbitrary code with kernel privileges.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 14.6
Affected range stops below 14.6, so it looks safe — our inference, not a vendor statement
v < 14.6
Affected range stops below 14.6, so it looks safe — our inference, not a vendor statement
v < 11.4v < 14.6v < 7.511.0.1 ≤ v < 11.4
Affected range stops below 11.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 14.6, so it looks safe — our inference, not a vendor statement
Affected range stops below 7.5, so it looks safe — our inference, not a vendor statement
v < 14.6
Affected range stops below 14.6, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (4)
CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
NVD-CWE-noinfo
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