CVE-2023-23520

MEDIUM

5.9

CVSS Score

Published: February 27, 2023 at 12:00 AM UTC

Updated: June 17, 2026 at 05:37 AM UTC

5 products affected across 1 vendormacOSiPhone OSiPadOS

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Severity

MEDIUM5.9

Exploit prediction

EPSS 0.8%

SSVC

No known exploit

Description

A race condition was addressed with additional validation. This issue is fixed in watchOS 9.3, tvOS 16.3, macOS Ventura 13.2, iOS 16.3 and iPadOS 16.3. A user may be able to read arbitrary files as root.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

iPadOS · Apple

95%

v < 16.3

Affected range stops below 16.3, so it looks safe — our inference, not a vendor statement

iPhone OS · Apple

95%

v < 16.3

Affected range stops below 16.3, so it looks safe — our inference, not a vendor statement

macOS · Apple

95%

v < 13.2

Affected range stops below 13.2, so it looks safe — our inference, not a vendor statement

tvOS · Apple

60%

v < 16.3

Affected range stops below 16.3, so it looks safe — our inference, not a vendor statement

watchOS · Apple

60%

v < 9.3

Affected range stops below 9.3, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (4)

Source: [email protected]

https://support.apple.com/en-us/HT213599

Source: [email protected]

https://support.apple.com/en-us/HT213601

Vendor Advisory

Source: [email protected]

https://support.apple.com/en-us/HT213605

Vendor Advisory

Source: [email protected]

https://support.apple.com/en-us/HT213606

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.9MEDIUMCISA-ADP

Attack Vector: NETWORK
Complexity: HIGH
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: NONE
Availability: NONE

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-367

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