CVE-2024-54542

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.

Published: 2025-01-27 Last update: 2026-04-02 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2024-54542 is rated Moderate Risk (51.9/100): CVSS Critical severity, with low exploitation likelihood (EPSS 0.22%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2024-54542

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-11-21 0.34% 0.22% -0.12%
2 2025-11-18 0.24% 0.34% +0.10%
3 2025-09-02 — 0.24% —

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2024-54542

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.1 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 5.2 134c704f-9b21-4f2e-91b3-4a467353bcc0

Weakness enumeration for CVE-2024-54542

Affected software / configurations for CVE-2024-54542

Vendor Product Version Raw CPE
apple safari < 18.2 cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
apple ipados < 18.2 cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
apple iphone_os < 18.2 cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
apple macos < 15.2 cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
apple watchos < 11.2 cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*

References for CVE-2024-54542

URL Tags
https://support.apple.com/en-us/121837 Release Notes Vendor Advisory
https://support.apple.com/en-us/121839 Release Notes Vendor Advisory
https://support.apple.com/en-us/121843 Release Notes Vendor Advisory
https://support.apple.com/en-us/121846 Release Notes Vendor Advisory
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