Auth bypass in Apple iOS And Ipados

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.

Vulnerability class: Broken Access Control

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H.

EPSS exploit prediction

EPSS: 0.007 (51.4th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 51.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2024-54542: held from 0.007 to 0.007.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: -0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2024-54542?
CVE-2024-54542 is a critical-severity vulnerability in Apple iOS And Ipados, classified under Missing Authorization. CVSS score: 9.1/10. Published 2025-01-27.
How severe is CVE-2024-54542?
Critical severity. CVSS v3 base score is 9.1 out of 10.