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{"affected": [{"affectedData": [{"product": "Gryphon Tower router", "vendor": "n/a", "versions": [{"status": "affected", "version": "<= 04.0004.12 (Current)"}]}], "source": "vulnreport@tenable.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:gryphonconnect:gryphon_tower_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "F0E6D9AA-BA55-417C-9AA7-12FDA077BB49", "versionEndIncluding": "04.0004.12", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:gryphonconnect:gryphon_tower:-:*:*:*:*:*:*:*", "matchCriteriaId": "85AD2611-183D-4ACE-AF89-0E1B29CE1371", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An unauthenticated command injection vulnerability exists in multiple parameters in the Gryphon Tower router\u2019s web interface at /cgi-bin/luci/rc. An unauthenticated remote attacker on the same network can execute commands as root on the device by sending a specially crafted malicious packet to the web interface."}, {"lang": "es", "value": "Se presenta una vulnerabilidad de inyecci\u00f3n de comandos no autenticada en varios par\u00e1metros de la interfaz web del router Gryphon Tower en /cgi-bin/luci/rc. Un atacante remoto no autenticado en la misma red puede ejecutar comandos como root en el dispositivo mediante el env\u00edo de un paquete malicioso especialmente dise\u00f1ado a la interfaz web"}], "id": "CVE-2021-20138", "lastModified": "2026-06-17T03:33:20.253", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "ADJACENT_NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 8.3, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:A/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 6.5, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-12-09T16:15:07.803", "references": [{"source": "vulnreport@tenable.com", "tags": ["Exploit", "Vendor Advisory"], "url": "https://www.tenable.com/security/research/tra-2021-51"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Vendor Advisory"], "url": "https://www.tenable.com/security/research/tra-2021-51"}], "sourceIdentifier": "vulnreport@tenable.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-78"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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