CVE-2023-40401Network attack vector

Unauthenticated passkey disclosure via missing permission checks

Published Oct 25, 2023 · Updated Feb 13, 2025

Missing authentication in the Passkeys component of Apple macOS Ventura before 13.6.1 allows remote attackers to access passkeys. The component omits required permission checks before granting passkey access; Apple has not published the affected request path or function. No authentication or user interaction is required, and the disclosed consequence is limited to passkey confidentiality, with no reported modification or service interruption.

CVSS severity7.5
High
EPSS probability0.98%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Missing authentication in the Passkeys component of Apple macOS Ventura before 13.6.1 allows remote attackers to access passkeys. The component omits required permission checks before granting passkey access; Apple has not published the affected request path or function. No authentication or user interaction is required, and the disclosed consequence is limited to passkey confidentiality, with no reported modification or service interruption.

The record

CVE
CVE-2023-40401
Published
Oct 25, 2023
Updated
Feb 13, 2025
Vendor
Apple
Product
macOS
Classifications
CWE-306
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 25, 2023CVE publishedPublication date reported by the CVE source.
  2. Feb 13, 2025Record 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=unspecified <13.6

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Apple · macOSversion=unspecified <13.6

Published CVSS scores

7.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/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-306Missing Authentication for Critical Function

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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