CVE-2021-37748

{"id": "CVE-2021-37748", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 9.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "authentication": "SINGLE", "integrityImpact": "COMPLETE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 8.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}]}, "published": "2021-10-28T12:15:08.413", "references": [{"url": "http://www.grandstream.com/products/gateways-and-atas/analog-telephone-adaptors/product/ht801", "tags": ["Product", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/SECFORCE/CVE-2021-37748", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://www.secforce.com/blog/exploiting-grandstream-ht801-ata-cve-2021-37748-cve-2021-37915/", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-787"}]}], "descriptions": [{"lang": "en", "value": "Multiple buffer overflows in the limited configuration shell (/sbin/gs_config) on Grandstream HT801 devices before 1.0.29 allow remote authenticated users to execute arbitrary code as root via a crafted manage_if setting, thus bypassing the intended restrictions of this shell and taking full control of the device. There are default weak credentials that can be used to authenticate."}, {"lang": "es", "value": "M\u00faltiples desbordamientos de b\u00fafer en el shell de configuraci\u00f3n limitada (/sbin/gs_config) en los dispositivos Grandstream HT801 versiones anteriores a 1.0.29 permiten a usuarios remotos autenticados ejecutar c\u00f3digo arbitrario como root por medio de una configuraci\u00f3n manage_if dise\u00f1ada, omitiendo as\u00ed las restricciones previstas de este shell y tomando el control total del dispositivo. Se presentan credenciales d\u00e9biles predeterminadas que pueden ser usadas para autenticar"}], "lastModified": "2021-11-03T14:00:49.277", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:grandstream:ht801_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "AD354E29-2525-4EAF-98B1-7D862C7A0ACF", "versionEndExcluding": "1.0.29"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:grandstream:ht801:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "1338EDFF-1D52-41E1-9378-7D752E622188"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "cve@mitre.org"}