CVE-2021-30774
HIGH
7.8
CVSS Score
Published: September 8, 2021 at 01:47 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 iOS 14.7, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7. A malicious application may be able to gain root privileges.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 14.7
Affected range stops below 14.7, so it looks safe — our inference, not a vendor statement
v < 14.7
Affected range stops below 14.7, so it looks safe — our inference, not a vendor statement
v < 11.5v < 14.7v < 7.610.15 ≤ v < 10.15.710.15.710.15.7 security_update_202010.15.7 security_update_2020-110.15.7 security_update_2020-510.15.7 security_update_2020-710.15.7 security_update_2021-110.15.7 security_update_2021-210.15.7 security_update_2021-3
Affected range stops below 10.15.7, so it looks safe — our inference, not a vendor statement
Affected range stops below 11.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 14.7, so it looks safe — our inference, not a vendor statement
Affected range stops below 7.6, so it looks safe — our inference, not a vendor statement
v < 14.7
Affected range stops below 14.7, 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 (5)
x_refsource_MISCRelease NotesVendor Advisory
Source: [email protected]
https://support.apple.com/en-us/HT212601x_refsource_MISCRelease NotesVendor Advisory
Source: [email protected]
https://support.apple.com/en-us/HT212602x_refsource_MISCRelease NotesVendor Advisory
Source: [email protected]
https://support.apple.com/en-us/HT212604x_refsource_MISCRelease NotesVendor Advisory
Source: [email protected]
https://support.apple.com/en-us/HT212605CVSS
- 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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