CVE-2024-40867

Apple iPadOS vulnerability

9.6 CRITICALEPSS 0.74%

Published28 Oct 2024

Description

A custom URL scheme handling issue was addressed with improved input validation. This issue is fixed in iOS 18.1 and iPadOS 18.1. A remote attacker may be able to break out of Web Content sandbox.

CVSS 3.1 breakdown

Attack vectorNetwork

Attack complexityLow

Privileges requiredNone

User interactionRequired

ScopeChanged

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Affected products

Apple iPadOS< 18.1

Apple iPhone OS< 18.1

Remediation

Fixed in

Apple iPadOS≥ 18.1

Apple iPhone OS≥ 18.1

Patch & vendor advisories

https://support.apple.com/en-us/121563

References

http://seclists.org/fulldisclosure/2024/Oct/9
https://support.apple.com/en-us/121563Release NotesVendor Advisory

Frequently asked

Is CVE-2024-40867 being actively exploited?

CVE-2024-40867 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.74%.

How severe is CVE-2024-40867?

CVE-2024-40867 has a CVSS 3.1 base score of 9.6, rated critical. EPSS estimates a 0.74% probability of exploitation.

Which products are affected by CVE-2024-40867?

Affected products include Apple iPadOS, Apple iPhone OS.

How do I fix CVE-2024-40867?

Upgrade affected software to a fixed version, for example Apple iPadOS 18.1, Apple iPhone OS 18.1 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2024-40867 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.