{"api_version":"1","generated_at":"2026-04-23T03:26:32+00:00","cve":"CVE-2021-25477","urls":{"html":"https://cve.report/CVE-2021-25477","api":"https://cve.report/api/cve/CVE-2021-25477.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2021-25477","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-25477"},"summary":{"title":"CVE-2021-25477","description":"An improper error handling in Mediatek RRC Protocol stack prior to SMR Oct-2021 Release 1 allows modem crash and remote denial of service.","state":"PUBLIC","assigner":"mobile.security@samsung.com","published_at":"2021-10-06 18:15:00","updated_at":"2021-10-13 18:07:00"},"problem_types":["CWE-415"],"metrics":[],"references":[{"url":"https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=10","name":"https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=10","refsource":"MISC","tags":[],"title":"Samsung Mobile Security","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-25477","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-25477","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2021","cve_id":"25477","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"google","cpe5":"android","cpe6":"10.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"25477","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"google","cpe5":"android","cpe6":"11.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"25477","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"google","cpe5":"android","cpe6":"9.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"25477","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"mediatek","cpe5":"mt6762","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"25477","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"mediatek","cpe5":"mt6765","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"25477","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"mediatek","cpe5":"mt6853","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2021-25477","qid":"610407","title":"Google Android Devices April 2022 Security Patch Missing"}]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"mobile.security@samsung.com","ID":"CVE-2021-25477","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Samsung Mobile Devices","version":{"version_data":[{"version_affected":"<","version_name":"P(9.0), Q(10.0), R(11.0)","version_value":"SMR Oct-2021 Release 1"}]}}]},"vendor_name":"Samsung Mobile"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"An improper error handling in Mediatek RRC Protocol stack prior to SMR Oct-2021 Release 1 allows modem crash and remote denial of service."}]},"impact":{"cvss":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":4.4,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"HIGH","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-415: Double Free"}]}]},"references":{"reference_data":[{"refsource":"MISC","url":"https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=10","name":"https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=10"}]},"source":{"discovery":"UNKNOWN"}},"nvd":{"publishedDate":"2021-10-06 18:15:00","lastModifiedDate":"2021-10-13 18:07:00","problem_types":["CWE-415"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseScore":4.9,"baseSeverity":"MEDIUM"},"exploitabilityScore":1.2,"impactScore":3.6},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:L/Au:S/C:N/I:N/A:P","accessVector":"NETWORK","accessComplexity":"LOW","authentication":"SINGLE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"PARTIAL","baseScore":4},"severity":"MEDIUM","exploitabilityScore":8,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"AND","children":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:google:android:9.0:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:google:android:10.0:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:google:android:11.0:*:*:*:*:*:*:*","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":false,"cpe23Uri":"cpe:2.3:h:mediatek:mt6762:-:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":false,"cpe23Uri":"cpe:2.3:h:mediatek:mt6765:-:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":false,"cpe23Uri":"cpe:2.3:h:mediatek:mt6853:-:*:*:*:*:*:*:*","cpe_name":[]}]}],"cpe_match":[]}]}},"legacy_mitre":{"record":{"CveYear":"2021","CveId":"25477","Ordinal":"200284","Title":"CVE-2021-25477","CVE":"CVE-2021-25477","Year":"2021"},"notes":[{"CveYear":"2021","CveId":"25477","Ordinal":"1","NoteData":"An improper error handling in Mediatek RRC Protocol stack prior to SMR Oct-2021 Release 1 allows modem crash and remote denial of service.","Type":"Description","Title":null},{"CveYear":"2021","CveId":"25477","Ordinal":"2","NoteData":"2021-10-06","Type":"Other","Title":"Published"},{"CveYear":"2021","CveId":"25477","Ordinal":"3","NoteData":"2021-10-06","Type":"Other","Title":"Modified"}]}}}