{"api_version":"1","generated_at":"2026-04-23T05:14:51+00:00","cve":"CVE-2020-16146","urls":{"html":"https://cve.report/CVE-2020-16146","api":"https://cve.report/api/cve/CVE-2020-16146.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2020-16146","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-16146"},"summary":{"title":"CVE-2020-16146","description":"Espressif ESP-IDF 2.x, 3.0.x through 3.0.9, 3.1.x through 3.1.7, 3.2.x through 3.2.3, 3.3.x through 3.3.2, and 4.0.x through 4.0.1 has a Buffer Overflow in BluFi provisioning in btc_blufi_recv_handler function in blufi_prf.c. An attacker can send a crafted BluFi protocol Write Attribute command to characteristic 0xFF01. 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An attacker can send a crafted BluFi protocol Write Attribute command to characteristic 0xFF01. With manipulated packet fields, there is a buffer overflow."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"url":"https://github.com/espressif/esp-idf","refsource":"MISC","name":"https://github.com/espressif/esp-idf"},{"refsource":"MISC","name":"https://github.com/pokerfacett/MY_CVE_CREDIT/blob/master/CVE-2020-16146.md","url":"https://github.com/pokerfacett/MY_CVE_CREDIT/blob/master/CVE-2020-16146.md"}]}},"nvd":{"publishedDate":"2021-01-12 03:15:00","lastModifiedDate":"2021-01-20 14:56:00","problem_types":["CWE-120"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:N/I:N/A:P","accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"PARTIAL","baseScore":5},"severity":"MEDIUM","exploitabilityScore":10,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:espressif:esp-idf:*:*:*:*:*:*:*:*","versionStartIncluding":"4.0.0","versionEndIncluding":"4.0.1","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:espressif:esp-idf:*:*:*:*:*:*:*:*","versionStartIncluding":"3.3","versionEndIncluding":"3.3.2","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:espressif:esp-idf:*:*:*:*:*:*:*:*","versionStartIncluding":"3.2","versionEndIncluding":"3.2.3","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:espressif:esp-idf:*:*:*:*:*:*:*:*","versionStartIncluding":"3.1","versionEndIncluding":"3.1.7","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:espressif:esp-idf:*:*:*:*:*:*:*:*","versionStartIncluding":"3.0","versionEndIncluding":"3.0.9","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:espressif:esp-idf:*:*:*:*:*:*:*:*","versionStartIncluding":"2.0.0","versionEndIncluding":"2.1.1","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2020","CveId":"16146","Ordinal":"177554","Title":"CVE-2020-16146","CVE":"CVE-2020-16146","Year":"2020"},"notes":[{"CveYear":"2020","CveId":"16146","Ordinal":"1","NoteData":"Espressif ESP-IDF 2.x, 3.0.x through 3.0.9, 3.1.x through 3.1.7, 3.2.x through 3.2.3, 3.3.x through 3.3.2, and 4.0.x through 4.0.1 has a Buffer Overflow in BluFi provisioning in btc_blufi_recv_handler function in blufi_prf.c. An attacker can send a crafted BluFi protocol Write Attribute command to characteristic 0xFF01. With manipulated packet fields, there is a buffer overflow.","Type":"Description","Title":null},{"CveYear":"2020","CveId":"16146","Ordinal":"2","NoteData":"2021-01-11","Type":"Other","Title":"Published"},{"CveYear":"2020","CveId":"16146","Ordinal":"3","NoteData":"2021-01-11","Type":"Other","Title":"Modified"}]}}}