CVE-2021-25435

{"containers": {"cna": {"affected": [{"product": "Tizen wearable devices", "vendor": "Samsung Mobile", "versions": [{"lessThan": "Firmware update JUL-2021 Release", "status": "affected", "version": "Tizen 5.5", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "Improper input validation vulnerability in Tizen bootloader prior to Firmware update JUL-2021 Release allows arbitrary code execution using recovery partition in wireless firmware download mode."}], "metrics": [{"other": {"content": {"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}, "type": "unknown"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-20", "description": "CWE-20: Improper Input Validation", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-07-08T13:46:59.000Z", "orgId": "3af57064-a867-422c-b2ad-40307b65c458", "shortName": "Samsung Mobile"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://security.samsungmobile.com/serviceWeb.smsb?year=2021&month=7"}], "source": {"discovery": "UNKNOWN"}, "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "mobile.security@samsung.com", "ID": "CVE-2021-25435", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Tizen wearable devices", "version": {"version_data": [{"version_affected": "<", "version_name": "Tizen 5.5", "version_value": "Firmware update JUL-2021 Release"}]}}]}, "vendor_name": "Samsung Mobile"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Improper input validation vulnerability in Tizen bootloader prior to Firmware update JUL-2021 Release allows arbitrary code execution using recovery partition in wireless firmware download mode."}]}, "impact": {"cvss": {"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-20: Improper Input Validation"}]}]}, "references": {"reference_data": [{"name": "https://security.samsungmobile.com/serviceWeb.smsb?year=2021&month=7", "refsource": "MISC", "url": "https://security.samsungmobile.com/serviceWeb.smsb?year=2021&month=7"}]}, "source": {"discovery": "UNKNOWN"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T20:03:05.748Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://security.samsungmobile.com/serviceWeb.smsb?year=2021&month=7"}]}]}, "cveMetadata": {"assignerOrgId": "3af57064-a867-422c-b2ad-40307b65c458", "assignerShortName": "Samsung Mobile", "cveId": "CVE-2021-25435", "datePublished": "2021-07-08T13:46:59.000Z", "dateReserved": "2021-01-19T00:00:00.000Z", "dateUpdated": "2024-08-03T20:03:05.748Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "Tizen wearable devices", "vendor": "Samsung Mobile", "versions": [{"lessThan": "Firmware update JUL-2021 Release", "status": "affected", "version": "Tizen 5.5", "versionType": "custom"}]}], "source": "mobile.security@samsung.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:tizen:*:*:*:*:*:*:*:*", "matchCriteriaId": "B8A186D7-A9F7-4D4B-9D4F-F3C239695EE9", "versionEndExcluding": "5.5", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper input validation vulnerability in Tizen bootloader prior to Firmware update JUL-2021 Release allows arbitrary code execution using recovery partition in wireless firmware download mode."}, {"lang": "es", "value": "Una vulnerabilidad de comprobaci\u00f3n de entrada inapropiada en el cargador de arranque de Tizen anterior a la actualizaci\u00f3n del firmware JUL-2021 Release, permite una ejecuci\u00f3n de c\u00f3digo arbitrario usando la partici\u00f3n de recuperaci\u00f3n en el modo de descarga del firmware inal\u00e1mbrico"}], "id": "CVE-2021-25435", "lastModified": "2026-06-17T03:42:04.790", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-07-08T14:15:08.720", "references": [{"source": "mobile.security@samsung.com", "tags": ["Vendor Advisory"], "url": "https://security.samsungmobile.com/serviceWeb.smsb?year=2021&month=7"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://security.samsungmobile.com/serviceWeb.smsb?year=2021&month=7"}], "sourceIdentifier": "mobile.security@samsung.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "mobile.security@samsung.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-20"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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