{ "id": "CVE-2021-41104", "sourceIdentifier": "security-advisories@github.com", "published": "2021-09-28T16:15:08.413", "lastModified": "2021-10-07T14:13:41.657", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "ESPHome is a system to control the ESP8266/ESP32. Anyone with web_server enabled and HTTP basic auth configured on version 2021.9.1 or older is vulnerable to an issue in which `web_server` allows over-the-air (OTA) updates without checking user defined basic auth username & password. This issue is patched in version 2021.9.2. As a workaround, one may disable or remove `web_server`." }, { "lang": "es", "value": "ESPHome es un sistema para controlar el ESP8266/ESP32. Cualquiera que tenga web_server habilitado y la autenticaci\u00f3n b\u00e1sica HTTP configurada en la versi\u00f3n 2021.9.1 o anterior, es vulnerable a un problema en el que \"web_server\" permite actualizaciones over-the-air (OTA) sin comprobar el nombre de usuario y la contrase\u00f1a de autenticaci\u00f3n b\u00e1sica definidos por el usuario. Este problema ha sido parcheado en la versi\u00f3n 2021.9.2. Como soluci\u00f3n, se puede deshabilitar o eliminar \"web_server\"" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH" }, "exploitabilityScore": 3.9, "impactScore": 3.6 }, { "source": "security-advisories@github.com", "type": "Secondary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH" }, "exploitabilityScore": 3.9, "impactScore": 3.6 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "accessVector": "NETWORK", "accessComplexity": "MEDIUM", "authentication": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "availabilityImpact": "NONE", "baseScore": 4.3 }, "baseSeverity": "MEDIUM", "exploitabilityScore": 8.6, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-306" } ] }, { "source": "security-advisories@github.com", "type": "Secondary", "description": [ { "lang": "en", "value": "CWE-306" } ] } ], "configurations": [ { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:esphome:esphome_firmware:*:*:*:*:*:*:*:*", "versionEndExcluding": "2021.9.2", "matchCriteriaId": "731C3CD3-0010-4AD8-9622-D7B79FB08EE5" } ] }, { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": false, "criteria": "cpe:2.3:h:espressif:esp32:-:*:*:*:*:*:*:*", "matchCriteriaId": "D1024B06-380B-4116-B7F9-A21A03534B0C" }, { "vulnerable": false, "criteria": "cpe:2.3:h:espressif:esp8266:-:*:*:*:*:*:*:*", "matchCriteriaId": "0A1C8D90-B27E-4E82-8A72-E1FF3FABA1A0" } ] } ] } ], "references": [ { "url": "https://github.com/esphome/esphome/pull/2409/commits/207cde1667d8c799a197b78ca8a5a14de8d5ca1e", "source": "security-advisories@github.com", "tags": [ "Patch", "Third Party Advisory" ] }, { "url": "https://github.com/esphome/esphome/releases/tag/2021.9.2", "source": "security-advisories@github.com", "tags": [ "Release Notes", "Third Party Advisory" ] }, { "url": "https://github.com/esphome/esphome/security/advisories/GHSA-48mj-p7x2-5jfm", "source": "security-advisories@github.com", "tags": [ "Patch", "Third Party Advisory" ] } ] }