CVE-2023-42840

MEDIUMNVD 5.54.3▼

5.5

The issue was addressed with improved checks. 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 user-sensitive data.

CVSS v3: 5.5
EG Score: 4.3(medium)
EPSS: 6.5%
KEV: Not listed

Published

February 21, 2024

Last Modified

November 4, 2025

References (9)

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
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
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/kb/HT213983
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/kb/HT213984
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/kb/HT213985

Weakness Classification(1)

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

CWE-922

Data Freshness Timeline

(refreshed 12× 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
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 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 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-24 08:10 UTCEG score recompute

Frequently asked(5)

What is CVE-2023-42840?

CVE-2023-42840 is a medium vulnerability published on February 21, 2024. The issue was addressed with improved checks. 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 user-sensitive data.

When was CVE-2023-42840 disclosed?

CVE-2023-42840 was first published in the National Vulnerability Database on February 21, 2024, with the most recent update on November 4, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-42840 actively exploited?

CVE-2023-42840 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 6.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-42840?

CVE-2023-42840 has a CVSS v3 base score of 5.5 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 4.3.

How do I remediate CVE-2023-42840?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-42840, 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2023-42840

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Is Your Infrastructure Affected by CVE-2023-42840?

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CVE-2023-42840

📅 Published

🔄 Last Modified

🔗 References (9)