CVE-2023-40394
The issue was addressed with improved validation of environment variables. This issue is fixed in...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2023-40394- 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 - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List
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.
- Record
CVE-2023-40394- 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 - Weakness
- CWE-20
- Updated
- 2026-11-02
EUVDEUVD-2023-44965
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.
- Record
EUVD-2023-44965- 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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-hc28-6r9f-vx7v
The issue was addressed with improved validation of environment variables. This issue is fixed in...
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.
- Record
GHSA-hc28-6r9f-vx7v- 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 - Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-40394 is a low vulnerability (CVSS 3.3) in Apple Ipados, published January 10, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.20%, the 10th percentile. No source names a fixed version.