CVE-2024-40856

HIGH
Published Sep 17, 2024 Modified Apr 2, 2026

Description

An integrity issue was addressed with Beacon Protection. This issue is fixed in iOS 18 and iPadOS 18, macOS Sequoia 15, tvOS 18. An attacker may be able to force a device to disconnect from a secure network.

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CVSS v3.1 Score

7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Products

Vendor Product
apple ipados
apple iphone_os
apple macos

References

Frequently Asked Questions

What is CVE-2024-40856? +
An integrity issue was addressed with Beacon Protection. This issue is fixed in iOS 18 and iPadOS 18, macOS Sequoia 15, tvOS 18. An attacker may be able to force a device to disconnect from a secure network. It has a CVSS v3.1 base score of 7.5 (HIGH).
How severe is CVE-2024-40856? +
CVE-2024-40856 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.
What products are affected by CVE-2024-40856? +
CVE-2024-40856 affects products from apple, specifically: ipados, iphone_os, macos. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2024-40856? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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