TI-2023-09353 Aliases CVE-2023-23520 GHSA-p22w-hm7x-wwfc

Time-of-check time-of-use race condition in Apple iOS and iPadOS

LOW 28CWE-367Published 2023-02-27 · Updated 2025-03-11

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: High
Impact type: —
Confidentiality · integrity · availability: High · None · None
Fix status: Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.

Summary

A race condition was addressed with additional validation. This issue is fixed in watchOS 9.3, tvOS 16.3, macOS Ventura 13.2, iOS 16.3 and iPadOS 16.3. A user may be able to read arbitrary files as root.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00807 57th percentileScored 2026-11-07

Fix Fixed iOS and iPadOS (Apple): 16.3tvOS (Apple): 16.3+2 more products

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Apple	iOS and iPadOS	before 16.3	16.3	Patch available	CNA
Apple	tvOS	before 16.3	16.3	Patch available	CNA
Apple	macOS	before 13.2	13.2	Patch available	CNA
Apple	watchOS	before 9.3	9.3	Patch available	CNA

iOS and iPadOS VendorApple Affected before 16.3 Fixed in 16.3 Patch available CNA
tvOS VendorApple Affected before 16.3 Fixed in 16.3 Patch available CNA
macOS VendorApple Affected before 13.2 Fixed in 13.2 Patch available CNA
watchOS VendorApple Affected before 9.3 Fixed in 9.3 Patch available CNA

CPE configurations NVD · 3

CPE	Versions	Role	Vendor
cpe:2.3:o:apple:ipados::::::::	before 16.3	Vulnerable	Apple
cpe:2.3:o:apple:iphone_os::::::::	before 16.3	Vulnerable	Apple
cpe:2.3:o:apple:macos::::::::	before 13.2	Vulnerable	Apple

cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 16.3 Vulnerable ·Apple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 16.3 Vulnerable ·Apple
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions before 13.2 Vulnerable ·Apple

Remediation

Fix · CNA iOS and iPadOS (Apple) Fixed in 16.3
Fix · CNA tvOS (Apple) Fixed in 16.3
Fix · CNA macOS (Apple) Fixed in 13.2
Fix · CNA watchOS (Apple) Fixed in 9.3

Fixed in the same release

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

Release · 2023-02-27
Apple macOS 13.2
28 records Highest priority Priority CRITICAL 1 CRITICAL, 6 MEDIUM, 21 LOW
Other records, highest priority first
- TI-2023-09361 Type confusion in Apple iOS and iPadOSPriority CRITICAL 97
- TI-2023-09347 Buffer overflow in Apple macOSPriority MEDIUM 52
- TI-2023-09363 Out-of-bounds write in Apple iOS and iPadOSPriority MEDIUM 43
Show all 28 records →
Release · 2023-02-27
Apple iOS and iPadOS 16.3
19 records Highest priority Priority CRITICAL 1 CRITICAL, 5 MEDIUM, 13 LOW
Other records, highest priority first
- TI-2023-09361 Type confusion in Apple iOS and iPadOSPriority CRITICAL 97
- TI-2023-09363 Out-of-bounds write in Apple iOS and iPadOSPriority MEDIUM 43
- TI-2023-09351 Out-of-bounds write in Apple iOS and iPadOSPriority MEDIUM 42
Show all 19 records →

Show 2 more groups

Release · 2023-02-27
Apple watchOS 9.3
14 records Highest priority Priority MEDIUM 4 MEDIUM, 10 LOW
Other records, highest priority first
- TI-2023-09351 Out-of-bounds write in Apple iOS and iPadOSPriority MEDIUM 42
- TI-2023-09350 Memory corruption in Apple iOS and iPadOSPriority MEDIUM 42
- TI-2023-09331 Code injection in Apple iOS and iPadOSPriority MEDIUM 42
Show all 14 records →
Release · 2023-02-27
Apple tvOS 16.3
13 records Highest priority Priority MEDIUM 4 MEDIUM, 9 LOW
Other records, highest priority first
- TI-2023-09351 Out-of-bounds write in Apple iOS and iPadOSPriority MEDIUM 42
- TI-2023-09350 Memory corruption in Apple iOS and iPadOSPriority MEDIUM 42
- TI-2023-09331 Code injection in Apple iOS and iPadOSPriority MEDIUM 42
Show all 13 records →

Timeline

2026-10-02 Threatist record created from CVE-2023-23520
2026-10-03 Alias added: GHSA-p22w-hm7x-wwfc

References

Advisory 2

Other 2

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 2382 →

Sources

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