CVE-2023-41991

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{"affected": [{"affectedData": [{"product": "iOS and iPadOS", "vendor": "Apple", "versions": [{"lessThan": "16.7", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "macOS", "vendor": "Apple", "versions": [{"lessThan": "13.6", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "source": "product-security@apple.com"}], "cisaActionDue": "2023-10-16", "cisaExploitAdd": "2023-09-25", "cisaRequiredAction": "Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.", "cisaVulnerabilityName": "Apple Multiple Products Improper Certificate Validation Vulnerability", "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*", "matchCriteriaId": "1CEB5BA1-7092-4ADE-B19F-FD34CB53CCC3", "versionEndExcluding": "16.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:apple:ipados:17.0:*:*:*:*:*:*:*", "matchCriteriaId": "FD0EE39C-DEC4-475C-8661-5BD76457A39E", "vulnerable": true}, {"criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*", "matchCriteriaId": "3FC8EB94-1D4F-4CE8-83D0-9086D1EBBC8F", "versionEndExcluding": "16.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:apple:iphone_os:17.0:*:*:*:*:*:*:*", "matchCriteriaId": "502CD624-FA22-4C7B-9CA3-53CA938BE1AB", "vulnerable": true}, {"criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*", "matchCriteriaId": "7A78DA60-AE3B-4B3C-B338-97DAFABEBB1F", "versionEndExcluding": "13.6", "versionStartIncluding": "13.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A certificate validation issue was addressed. This issue is fixed in macOS Ventura 13.6, iOS 16.7 and iPadOS 16.7. A malicious app may be able to bypass signature validation. Apple is aware of a report that this issue may have been actively exploited against versions of iOS before iOS 16.7."}, {"lang": "es", "value": "Se solucion\u00f3 un problema de validaci\u00f3n de certificados. Este problema se solucion\u00f3 en macOS Ventura 13.6, iOS 16.7 y iPadOS 16.7. Es posible que una aplicaci\u00f3n maliciosa pueda eludir la validaci\u00f3n de firmas. Apple tiene conocimiento de un informe que indica que este problema puede haber sido explotado activamente en versiones de iOS anteriores a iOS 16.7."}], "id": "CVE-2023-41991", "lastModified": "2026-06-17T06:23:13.087", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2023-41991", "options": [{"exploitation": "active"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-02-04T15:13:21.191475Z", "version": "2.0.3"}}]}, "published": "2023-09-21T19:15:11.283", "references": [{"source": "product-security@apple.com", "tags": ["Vendor Advisory"], "url": "https://support.apple.com/en-us/HT213927"}, {"source": "product-security@apple.com", "tags": ["Vendor Advisory"], "url": "https://support.apple.com/en-us/HT213931"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://support.apple.com/en-us/HT213927"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://support.apple.com/en-us/HT213931"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://support.apple.com/kb/HT213927"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://support.apple.com/kb/HT213931"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["US Government Resource"], "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-41991"}], "sourceIdentifier": "product-security@apple.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-295"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-295"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

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