CVE-2024-44212Network attack vector

Cross-origin cookie transmission via state mismanagement

Published Dec 11, 2024 · Updated Apr 2, 2026

Origin validation error in Apple WebKit before the October 2024 releases allows remote attackers to send cookies to a different origin. Apple identifies cookie state management as the faulty locus but has not published the incorrect state transition or validation sequence. Network access requires no privileges or user interaction; the documented consequence is limited to cross-origin cookie transmission.

CVSS severity5.3
Medium
EPSS probability0.25%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Origin validation error in Apple WebKit before the October 2024 releases allows remote attackers to send cookies to a different origin. Apple identifies cookie state management as the faulty locus but has not published the incorrect state transition or validation sequence. Network access requires no privileges or user interaction; the documented consequence is limited to cross-origin cookie transmission.

The record

CVE
CVE-2024-44212
Published
Dec 11, 2024
Updated
Apr 2, 2026
Vendor
Apple
Product
iOS and iPadOS
Classifications
CWE-346
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Dec 11, 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 <18.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Apple · iOS and iPadOSversion=0 <18.1
Apple · visionOSversion=0 <2.1
Apple · Safariversion=0 <18.1
Apple · tvOSversion=0 <18.1
Apple · macOSversion=0 <15.1
Apple · watchOSversion=0 <11.1

Published CVSS scores

5.3CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

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-346Origin Validation Error

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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