CVE-2024-54542

Apple Safari broken access control

9.1 CRITICALEPSS 0.70%

Published27 Jan 2025

Description

An authentication issue was addressed with improved state management. This issue is fixed in Safari 18.2, iOS 18.2 and iPadOS 18.2, macOS Sequoia 15.2, watchOS 11.2. Private Browsing tabs may be accessed without authentication.

CVSS 3.1 breakdown

Attack vectorNetwork

Attack complexityLow

Privileges requiredNone

User interactionNone

ScopeUnchanged

ConfidentialityHigh

IntegrityNone

AvailabilityHigh

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

Affected products

Apple Safari< 18.2

Apple iPadOS< 18.2

Apple iPhone OS< 18.2

Apple macOS< 15.2

Apple Watchos< 11.2

Remediation

Fixed in

Apple Safari≥ 18.2

Apple iPadOS≥ 18.2

Apple iPhone OS≥ 18.2

Apple macOS≥ 15.2

Apple Watchos≥ 11.2

Patch & vendor advisories

References

https://support.apple.com/en-us/121837Release NotesVendor Advisory
https://support.apple.com/en-us/121839Release NotesVendor Advisory
https://support.apple.com/en-us/121843Release NotesVendor Advisory
https://support.apple.com/en-us/121846Release NotesVendor Advisory

Related CVEs

Recent high-severity vulnerabilities sharing a weakness type.

Frequently asked

Is CVE-2024-54542 being actively exploited?

CVE-2024-54542 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.70%.

How severe is CVE-2024-54542?

CVE-2024-54542 has a CVSS 3.1 base score of 9.1, rated critical. EPSS estimates a 0.70% probability of exploitation.

Which products are affected by CVE-2024-54542?

Affected products include Apple Safari, Apple iPadOS, Apple iPhone OS, Apple macOS, Apple Watchos.

How do I fix CVE-2024-54542?

Upgrade affected software to a fixed version, for example Apple Safari 18.2, Apple iPadOS 18.2, Apple iPhone OS 18.2 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2024-54542 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.