CVE-2024-23273Network attack vector

Private-tab disclosure via faulty state management

Published Mar 8, 2024 · Updated Apr 2, 2026

Authentication bypass in Apple Safari Private Browsing before 17.4 allows attackers to access locked private tabs without authentication. Apple attributes the flaw to Safari Private Browsing state management but has not disclosed the faulty state transition or code locus. User interaction is required, and successful exploitation discloses private-tab content without reported modification or service interruption.

CVSS severity4.3
Medium
EPSS probability0.73%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Authentication bypass in Apple Safari Private Browsing before 17.4 allows attackers to access locked private tabs without authentication. Apple attributes the flaw to Safari Private Browsing state management but has not disclosed the faulty state transition or code locus. User interaction is required, and successful exploitation discloses private-tab content without reported modification or service interruption.

The record

CVE
CVE-2024-23273
Published
Mar 8, 2024
Updated
Apr 2, 2026
Vendor
Apple
Product
iOS and iPadOS
Classifications
CWE-295
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 8, 2024CVE publishedPublication date reported by the CVE source.
  2. Apr 2, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <17.4

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Apple · iOS and iPadOSversion=0 <17.4
Apple · Safariversion=0 <17.4
Apple · macOSversion=0 <14.4

Published CVSS scores

4.3CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
4.3NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-295Improper Certificate Validation

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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