TI-2023-21236 Aliases CVE-2023-40418 GHSA-4p2m-q353-666c

Apple watchOS: An Apple Watch Ultra may not lock when using the Depth app

LOW 25Published 2023-09-26 · Updated 2025-11-04

Key facts

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

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

Summary

An authentication issue was addressed with improved state management. This issue is fixed in watchOS 10. An Apple Watch Ultra may not lock when using the Depth app.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00355 29th percentileScored 2026-11-07

Fix Fixed watchOS (Apple): 10

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	watchOS	before 10	10	Patch available	CNA

watchOS VendorApple Affected before 10 Fixed in 10 Patch available CNA

CPE configurations NVD · 3

CPE	Versions	Role	Vendor
cpe:2.3:o:apple:watchos::::::::	before 10.0	Vulnerable	Apple
cpe:2.3:h:apple:watch_ultra:-:::::::*	not specified by NVD	Running on	Apple
cpe:2.3:h:apple:watch_ultra_2:-:::::::*	not specified by NVD	Running on	Apple

cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* Versions before 10.0 Vulnerable ·Apple
cpe:2.3:h:apple:watch_ultra:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Apple
cpe:2.3:h:apple:watch_ultra_2:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Apple

Remediation

Fix · CNA watchOS (Apple) Fixed in 10

Fixed in the same release

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

Release · 2023-09-26
Apple watchOS 10
37 records Highest priority Priority MEDIUM 5 MEDIUM, 32 LOW
Other records, highest priority first
- TI-2023-21219 Apple iOS and iPadOS: A remote user may cause an unexpected app termination or arbitrary…Priority MEDIUM 52
- TI-2023-21698 Code injection in Apple iOS and iPadOSPriority MEDIUM 47
- TI-2023-21266 Apple iOS and iPadOS: A remote attacker may be able to break out of Web Content sandboxPriority MEDIUM 47
Show all 37 records →

Timeline

2026-10-02 Threatist record created from CVE-2023-40418
2026-10-03 Alias added: GHSA-4p2m-q353-666c

References

Advisory 2

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-2025-28228 Use after free in Apple Safari KEVCVSS 3.1HIGH 8.8
TI-2025-22512 Memory corruption in Apple Safari KEVCVSS 3.1HIGH 8.8
TI-2025-12953 Memory corruption in Google Chrome KEVCVSS 3.1HIGH 8.8

See all 1994 →

Sources

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