CVE-2021-25263

{"id": "CVE-2021-25263", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.6, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "published": "2021-08-17T19:15:08.103", "references": [{"url": "https://yandex.com/bugbounty/i/hall-of-fame-browser/", "tags": ["Vendor Advisory"], "source": "browser-security@yandex-team.ru"}, {"url": "https://yandex.com/bugbounty/i/hall-of-fame-browser/", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-732"}]}], "descriptions": [{"lang": "en", "value": "Local privilege vulnerability in Yandex Browser for Windows prior to 21.9.0.390 allows a local, low privileged, attacker to execute arbitary code with the SYSTEM privileges through manipulating files in directory with insecure permissions during Yandex Browser update process."}, {"lang": "es", "value": "La vulnerabilidad de privilegios locales en Yandex Browser para Windows anterior a la versi\u00f3n 21.9.0.390 permite a un atacante local, con pocos privilegios, ejecutar c\u00f3digo arbitrario con los privilegios del SISTEMA a trav\u00e9s de la manipulaci\u00f3n de archivos en el directorio con permisos inseguros durante el proceso de actualizaci\u00f3n de Yandex Browser"}], "lastModified": "2024-11-21T05:54:38.477", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:yandex:yandex_browser:*:*:*:*:*:windows:*:*", "vulnerable": true, "matchCriteriaId": "21AC29BD-6018-46C2-9BE7-225090DDC637", "versionEndExcluding": "21.9.0.390"}], "operator": "OR"}]}], "sourceIdentifier": "browser-security@yandex-team.ru"}