Is CVE-2024-54542 in the CISA KEV catalog?

No. CVE-2024-54542 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2024-54542?

CVE-2024-54542 has a CVSS v3 base score of 9.1 (CRITICAL).

What is the EPSS score for CVE-2024-54542?

CVE-2024-54542 has an EPSS score of 0.65% (46th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2024-54542

CRITICAL

9.1

CVSS v3

NVD

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.

CWE-862Missing Authorization

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

0.65%probability of exploitation in 30 days

46thpercentile

Moderate risk: more likely to be exploited than 46% of all known CVEs.

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-02.