CVE-2023-42940

View on CVE.org

Published Dec 19, 2023 CVSS 3.1 · 5.7 Medium EPSS < 1% KEV · Not listed

Description

A session rendering issue was addressed with improved session tracking. This issue is fixed in macOS Sonoma 14.2.1. A user who shares their screen may unintentionally share the incorrect content.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Apple

macOS

affected

Version	Status	Constraints
`unspecified`	affected	< 14.2

Configuration 1 [-]

cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.707% probability within 30 days)

Exploitation none

Automatable no

Technical Impact partial

References

Link	Providers
http://seclists.org/fulldisclosure/2023/Dec/20
https://support.apple.com/en-us/HT214048
https://support.apple.com/kb/HT214048

History

Nov 4, 2025 7:30 PM Added references View changes

Type	Values Removed	Values Added
References		https://support.apple.com/kb/HT214048

May 6, 2025 7:15 PM Weaknesses updated. Scoring metrics updated View changes

Type	Values Removed	Values Added
Weaknesses		CWE-200
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Subscriptions

Apple Macos

Weaknesses

Sources

CVE record Updated: Nov 4, 2025, 6:17 PM

Status: PUBLISHED
Assigner: apple
Published: Dec 19, 2023, 9:13 PM
Updated: Nov 4, 2025, 6:17 PM
Reserved: Sep 14, 2023, 7:05 PM

View source JSON

Vulnrichment Updated: Nov 4, 2025, 6:17 PM

Updated: Nov 4, 2025, 6:17 PM

NVD Updated: Jun 17, 2026, 6:24 AM

Status: Modified
Published: Dec 19, 2023, 10:15 PM
Modified: Jun 17, 2026, 6:24 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2023-42940", "assignerOrgId": "286789f9-fbc2-4510-9f9a-43facdede74c", "state": "PUBLISHED", "assignerShortName": "apple", "dateReserved": "2023-09-14T19:05:11.471Z", "datePublished": "2023-12-19T21:13:43.351Z", "dateUpdated": "2025-11-04T18:17:17.650Z"}, "containers": {"cna": {"problemTypes": [{"descriptions": [{"lang": "en", "description": "A user who shares their screen may unintentionally share the incorrect content"}]}], "affected": [{"vendor": "Apple", "product": "macOS", "versions": [{"version": "unspecified", "status": "affected", "lessThan": "14.2", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "A session rendering issue was addressed with improved session tracking. This issue is fixed in macOS Sonoma 14.2.1. A user who shares their screen may unintentionally share the incorrect content."}], "references": [{"url": "https://support.apple.com/en-us/HT214048"}, {"url": "http://seclists.org/fulldisclosure/2023/Dec/20"}], "providerMetadata": {"orgId": "286789f9-fbc2-4510-9f9a-43facdede74c", "shortName": "apple", "dateUpdated": "2023-12-19T21:13:43.351Z"}}, "adp": [{"title": "CVE Program Container", "references": [{"url": "https://support.apple.com/en-us/HT214048", "tags": ["x_transferred"]}, {"url": "http://seclists.org/fulldisclosure/2023/Dec/20", "tags": ["x_transferred"]}, {"url": "https://support.apple.com/kb/HT214048"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2025-11-04T18:17:17.650Z"}}, {"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-200", "lang": "en", "description": "CWE-200 Exposure of Sensitive Information to an Unauthorized Actor"}]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.7, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2025-05-06T18:50:46.419368Z", "id": "CVE-2023-42940", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-05-06T18:51:17.737Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://support.apple.com/en-us/HT214048", "tags": ["x_transferred"]}, {"url": "http://seclists.org/fulldisclosure/2023/Dec/20", "tags": ["x_transferred"]}, {"url": "https://support.apple.com/kb/HT214048"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2025-11-04T18:17:17.650Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.7, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2023-42940", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2025-05-06T18:50:46.419368Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-200", "description": "CWE-200 Exposure of Sensitive Information to an Unauthorized Actor"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-05-06T18:51:12.910Z"}}], "cna": {"affected": [{"vendor": "Apple", "product": "macOS", "versions": [{"status": "affected", "version": "unspecified", "lessThan": "14.2", "versionType": "custom"}]}], "references": [{"url": "https://support.apple.com/en-us/HT214048"}, {"url": "http://seclists.org/fulldisclosure/2023/Dec/20"}], "descriptions": [{"lang": "en", "value": "A session rendering issue was addressed with improved session tracking. This issue is fixed in macOS Sonoma 14.2.1. A user who shares their screen may unintentionally share the incorrect content."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "A user who shares their screen may unintentionally share the incorrect content"}]}], "providerMetadata": {"orgId": "286789f9-fbc2-4510-9f9a-43facdede74c", "shortName": "apple", "dateUpdated": "2023-12-19T21:13:43.351Z"}}}, "cveMetadata": {"cveId": "CVE-2023-42940", "state": "PUBLISHED", "dateUpdated": "2025-11-04T18:17:17.650Z", "dateReserved": "2023-09-14T19:05:11.471Z", "assignerOrgId": "286789f9-fbc2-4510-9f9a-43facdede74c", "datePublished": "2023-12-19T21:13:43.351Z", "assignerShortName": "apple"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "macOS", "vendor": "Apple", "versions": [{"lessThan": "14.2", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "source": "product-security@apple.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*", "matchCriteriaId": "1BC4F8D9-9E7D-4F22-BF33-11A7F6E71334", "versionEndExcluding": "14.2.1", "versionStartIncluding": "14.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A session rendering issue was addressed with improved session tracking. This issue is fixed in macOS Sonoma 14.2.1. A user who shares their screen may unintentionally share the incorrect content."}, {"lang": "es", "value": "Se solucion\u00f3 un problema de representaci\u00f3n de sesiones con un seguimiento de sesiones mejorado. Este problema se solucion\u00f3 en macOS Sonoma 14.2.1. Un usuario que comparte su pantalla puede compartir sin querer el contenido incorrecto."}], "id": "CVE-2023-42940", "lastModified": "2026-06-17T06:24:53.410", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.1, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.1, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2023-42940", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-05-06T18:50:46.419368Z", "version": "2.0.3"}}]}, "published": "2023-12-19T22:15:07.630", "references": [{"source": "product-security@apple.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://seclists.org/fulldisclosure/2023/Dec/20"}, {"source": "product-security@apple.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/en-us/HT214048"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://seclists.org/fulldisclosure/2023/Dec/20"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/en-us/HT214048"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://support.apple.com/kb/HT214048"}], "sourceIdentifier": "product-security@apple.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-200"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}