CVE-2023-40400
CRITICALCVSS 9.8/10EPSS 1.52%
Last modified
CVE-2023-40400 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. This issue was addressed with improved checks. This issue is fixed in tvOS 17, iOS 17 and iPadOS 17, watchOS 10, macOS Sonoma 14. EPSS estimates a 1.52% chance of exploitation in the next 30 days.
Description
This issue was addressed with improved checks. This issue is fixed in tvOS 17, iOS 17 and iPadOS 17, watchOS 10, macOS Sonoma 14. A remote user may cause an unexpected app termination or arbitrary code execution.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apple | Ipados | < 16.6 |
| Apple | Iphone Os | < 16.6 |
| Apple | Macos | < 14.0 |
| Apple | Tvos | < 17.0 |
| Apple | Watchos | < 10.0 |
References
- http://seclists.org/fulldisclosure/2023/Oct/10Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2023/Oct/3Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2023/Oct/8Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2023/Oct/9Mailing List, Third Party Advisory
- https://support.apple.com/en-us/HT213936Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT213937Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT213938Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT213940Release Notes, Vendor Advisory
- https://support.apple.com/kb/HT213841Release Notes, Vendor Advisory
- http://seclists.org/fulldisclosure/2023/Oct/10Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2023/Oct/3Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2023/Oct/8Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2023/Oct/9Mailing List, Third Party Advisory
- https://support.apple.com/en-us/HT213936Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT213937Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT213938Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT213940Release Notes, Vendor Advisory
- https://support.apple.com/kb/HT213841Release Notes, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2023-40400?
This issue was addressed with improved checks. This issue is fixed in tvOS 17, iOS 17 and iPadOS 17, watchOS 10, macOS Sonoma 14. A remote user may cause an unexpected app termination or arbitrary code execution.
How severe is CVE-2023-40400?
CVE-2023-40400 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.52% probability of exploitation in the next 30 days.
How do I fix CVE-2023-40400?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2023-40400?
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Scan your code nowSource: NVD / NIST