CVE-2023-40394

3.3 lowEPSS 0.2%

Low (3.3) in apple. EPSS 0.2% chance of exploitation in the next 30 days.

The issue was addressed with improved validation of environment variables. This issue is fixed in iOS 16.6 and iPadOS 16.6. An app may be able to access sensitive user data.

Severity

CVSS 3.1

3.3 low

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 10% of CVEs (scores of 2026-10-31)
CWE: CWE-20
Published: 2024-01-10
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

apple:ipados
apple:iphone_os

References

https://support.apple.com/en-us/HT213841
https://support.apple.com/en-us/HT213841

Check your stack JSON