TI-2021-11148 Aliases CVE-2021-30770 GHSA-qw3m-7664-26j4

Improper authentication in Apple iOS

LOW 25CWE-287Published 2021-09-08 · Updated 2024-08-03

Key facts

Attack vector: Local
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: Security bypass
Confidentiality · integrity · availability: None · High · None
Fix status: Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-287.

Summary

A logic issue was addressed with improved validation. This issue is fixed in iOS 14.7, tvOS 14.7, watchOS 7.6. An attacker that has already achieved kernel code execution may be able to bypass kernel memory mitigations.

Why it matters now

EPSS 0.00381 32nd percentileScored 2026-11-07

Fix Fixed iOS (Apple): 14.7tvOS (Apple): 14.7+1 more product

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Apple	iOS	before 14.7	14.7	Patch available	CNA
Apple	tvOS	before 14.7	14.7	Patch available	CNA
Apple	watchOS	before 7.6	7.6	Patch available	CNA

iOS VendorApple Affected before 14.7 Fixed in 14.7 Patch available CNA
tvOS VendorApple Affected before 14.7 Fixed in 14.7 Patch available CNA
watchOS VendorApple Affected before 7.6 Fixed in 7.6 Patch available CNA

CPE configurations NVD · 3

CPE	Versions	Role	Vendor
cpe:2.3:o:apple:iphone_os::::::::	before 14.7	Vulnerable	Apple
cpe:2.3:o:apple:tvos::::::::	before 14.7	Vulnerable	Apple
cpe:2.3:o:apple:watchos::::::::	before 7.6	Vulnerable	Apple

cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 14.7 Vulnerable ·Apple
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* Versions before 14.7 Vulnerable ·Apple
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* Versions before 7.6 Vulnerable ·Apple

Remediation

Fix · CNA iOS (Apple) Fixed in 14.7
Fix · CNA tvOS (Apple) Fixed in 14.7
Fix · CNA watchOS (Apple) Fixed in 7.6

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

Release · 2021-09-08
Apple iOS 14.7
29 records Highest priority Priority MEDIUM 5 MEDIUM, 24 LOW
Other records, highest priority first
- TI-2021-11176 Out-of-bounds write in Apple Security Update - CatalinaPriority MEDIUM 42
- TI-2021-11174 Apple iOS: Processing maliciously crafted web content may lead to code executionPriority MEDIUM 42
- TI-2021-11172 Use after free in Apple iOSPriority MEDIUM 42
Show all 29 records →
Release · 2021-09-08
Apple watchOS 7.6
4 records Highest priority Priority LOW 4 LOW
Other records, highest priority first
- TI-2021-11151 Apple iOS: A malicious application may be able to bypass code signing checksPriority LOW 27
- TI-2021-11147 Improper authentication in Apple iOSPriority LOW 27
- TI-2021-11141 Improper input validation in Apple iOSPriority LOW 26
Show all 4 records →

Show 1 more group

Release · 2021-09-08
Apple tvOS 14.7
4 records Highest priority Priority MEDIUM 1 MEDIUM, 3 LOW
Other records, highest priority first
- TI-2021-11178 Use after free in Apple iOSPriority MEDIUM 41
- TI-2021-11151 Apple iOS: A malicious application may be able to bypass code signing checksPriority LOW 27
- TI-2021-11147 Improper authentication in Apple iOSPriority LOW 27
Show all 4 records →

Timeline

2026-10-02 Threatist record created from CVE-2021-30770
2026-10-03 Alias added: GHSA-qw3m-7664-26j4

References

Advisory 3

TI-2025-28008 Out-of-bounds write in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 10.0
TI-2025-22441 Apple iOS and iPadOS: An attacker with arbitrary read and write capability may be able to… KEVCVSS 3.1CRITICAL 9.8
TI-2025-22440 Memory corruption in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 9.8
TI-2025-17951 Out-of-bounds write in Apple Safari KEVCVSS 3.1CRITICAL 10.0
TI-2025-17847 Use after free in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 10.0
TI-2022-06854 Out-of-bounds write in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 9.8

See all 4500 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences