CVE-2023-40421

MEDIUMNVD 5.55.5—

5.5

A permissions issue was addressed with additional restrictions. This issue is fixed in macOS Sonoma 14.1, macOS Monterey 12.7.1, macOS Ventura 13.6.1. An app may be able to access sensitive user data.

CVSS v3: 5.5
EG Score: 5.5(medium)
EPSS: 28.4%
KEV: Not listed

Published

October 25, 2023

Last Modified

November 21, 2024

References (18)

product-security@applehttp://seclists.org/fulldisclosure/2023/Oct/21
product-security@applehttp://seclists.org/fulldisclosure/2023/Oct/24
product-security@applehttp://seclists.org/fulldisclosure/2023/Oct/26
product-security@applehttps://support.apple.com/en-us/HT213983
product-security@applehttps://support.apple.com/en-us/HT213984
product-security@applehttps://support.apple.com/en-us/HT213985
product-security@applehttps://support.apple.com/kb/HT213983
product-security@applehttps://support.apple.com/kb/HT213984
product-security@applehttps://support.apple.com/kb/HT213985
af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2023/Oct/21
af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2023/Oct/24
af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2023/Oct/26
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/en-us/HT213983
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/en-us/HT213984
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/en-us/HT213985

Data Freshness Timeline

(refreshed 13× in last 7d / 59× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-23 21:31 UTCEPSS rescore
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2026-06-10 13:21 UTCEPSS rescore
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2026-05-26 13:43 UTCEPSS rescore
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2026-05-26 07:18 UTCEPSS rescore
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2026-05-26 07:18 UTCEPSS rescore
2026-05-24 15:08 UTCEG score recompute
2026-05-24 15:08 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2023-40421?

CVE-2023-40421 is a medium vulnerability published on October 25, 2023. A permissions issue was addressed with additional restrictions. This issue is fixed in macOS Sonoma 14.1, macOS Monterey 12.7.1, macOS Ventura 13.6.1. An app may be able to access sensitive user data.

When was CVE-2023-40421 disclosed?

CVE-2023-40421 was first published in the National Vulnerability Database on October 25, 2023, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-40421 actively exploited?

CVE-2023-40421 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 28.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-40421?

CVE-2023-40421 has a CVSS v3 base score of 5.5 (NVD).

How do I remediate CVE-2023-40421?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-40421, 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.

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CVE-2023-40421

📅 Published

🔄 Last Modified

🔗 References (18)