{ "id": "CVE-2021-33032", "sourceIdentifier": "cve@mitre.org", "published": "2021-07-22T18:15:23.177", "lastModified": "2021-09-21T16:18:17.080", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "A Remote Code Execution (RCE) vulnerability in the WebUI component of the eQ-3 HomeMatic CCU2 firmware up to and including version 2.57.5 and CCU3 firmware up to and including version 3.57.5 allows remote unauthenticated attackers to execute system commands as root via a simple HTTP request." }, { "lang": "es", "value": "Una vulnerabilidad de ejecuci\u00f3n remota de c\u00f3digo (RCE) en el componente WebUI del firmware eQ-3 HomeMatic CCU2 hasta la versi\u00f3n 2.57.5 inclusive y del firmware CCU3 hasta la versi\u00f3n 3.57.5 inclusive permite a los atacantes remotos no autentificados ejecutar comandos del sistema como root a trav\u00e9s de una simple petici\u00f3n HTTP." } ], "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:C/C:H/I:H/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 10.0, "baseSeverity": "CRITICAL" }, "exploitabilityScore": 3.9, "impactScore": 6.0 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C", "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "baseScore": 10.0 }, "baseSeverity": "HIGH", "exploitabilityScore": 10.0, "impactScore": 10.0, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-78" } ] } ], "configurations": [ { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:eq-3:homematic_ccu2_firmware:*:*:*:*:*:*:*:*", "versionEndIncluding": "2.57.5", "matchCriteriaId": "3D8EB8BC-1D19-4177-BA57-1E8DABD9C03C" } ] }, { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": false, "criteria": "cpe:2.3:h:eq-3:homematic_ccu2:-:*:*:*:*:*:*:*", "matchCriteriaId": "9C2CF19C-7EDE-4E3C-A736-E6736FF03FDC" } ] } ] }, { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:eq-3:homematic_ccu3_firmware:*:*:*:*:*:*:*:*", "versionEndIncluding": "3.57.5", "matchCriteriaId": "F14B9250-FCD9-404C-A1BE-A9F3893B2189" } ] }, { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": false, "criteria": "cpe:2.3:h:eq-3:homematic_ccu3:-:*:*:*:*:*:*:*", "matchCriteriaId": "33113AD0-F378-49B2-BCFC-C57B52FD3A04" } ] } ] } ], "references": [ { "url": "https://novag.github.io/posts/homematic-unauthenticated-remote-code-execution/", "source": "cve@mitre.org", "tags": [ "Exploit", "Third Party Advisory" ] }, { "url": "https://www.eq-3.de/downloads/software/HM-CCU2-Firmware_Updates/HM-CCU-2.59.7/HM-CCU2-Changelog.2.59.7.pdf", "source": "cve@mitre.org", "tags": [ "Release Notes", "Vendor Advisory" ] }, { "url": "https://www.eq-3.de/downloads/software/firmware/ccu3-firmware/CCU3-Changelog.3.59.6.pdf", "source": "cve@mitre.org", "tags": [ "Release Notes", "Vendor Advisory" ] } ] }