CVE-2023-23520

MEDIUMNVD 5.95.9—

5.9

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.

CVSS v3: 5.9
EG Score: 5.9(medium)
EPSS: 35.7%
KEV: Not listed

Published

February 27, 2023

Last Modified

March 11, 2025

References (8)

product-security@applehttps://support.apple.com/en-us/HT213599
product-security@applehttps://support.apple.com/en-us/HT213601
product-security@applehttps://support.apple.com/en-us/HT213605
product-security@applehttps://support.apple.com/en-us/HT213606
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/en-us/HT213599
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/en-us/HT213601
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/en-us/HT213605
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/en-us/HT213606

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-367Time-of-check Time-of-use (TOCTOU) Race Condition

Data Freshness Timeline

(refreshed 14× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:12 UTCepss_batch
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2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
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2026-05-31 00:15 UTCepss_batch
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2026-05-29 13:43 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch

Frequently asked(5)

What is CVE-2023-23520?

CVE-2023-23520 is a medium vulnerability published on February 27, 2023. 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.

When was CVE-2023-23520 disclosed?

CVE-2023-23520 was first published in the National Vulnerability Database on February 27, 2023, with the most recent update on March 11, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-23520 actively exploited?

CVE-2023-23520 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 35.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-23520?

CVE-2023-23520 has a CVSS v3 base score of 5.9 (NVD).

How do I remediate CVE-2023-23520?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-23520, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2023-23520

📅 Published

🔄 Last Modified

🔗 References (8)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-23520?

🔗 Related CVEs(same CWE)

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Published

Last Modified

References (8)

Frequently asked(5)

Related CVEs(same CWE)