{"affected":[{"affectedData":[{"product":"Grandstream UCM6200 Series","vendor":"n/a","versions":[{"status":"affected","version":"Versions 1.0.20.23 and below"}]}],"source":"vulnreport@tenable.com"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:grandstream:ucm6202_firmware:*:*:*:*:*:*:*:*","matchCriteriaId":"685CBD60-7C46-4DF8-A25C-8003D02B0175","versionEndIncluding":"1.0.20.23","vulnerable":true}],"negate":false,"operator":"OR"},{"cpeMatch":[{"criteria":"cpe:2.3:h:grandstream:ucm6202:-:*:*:*:*:*:*:*","matchCriteriaId":"9864BD0F-BE9C-4F72-AB57-77036699029B","vulnerable":false}],"negate":false,"operator":"OR"}],"operator":"AND"},{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:grandstream:ucm6204_firmware:*:*:*:*:*:*:*:*","matchCriteriaId":"6A180364-ABDF-49EE-80CB-31DA799DDA1C","versionEndIncluding":"1.0.20.23","vulnerable":true}],"negate":false,"operator":"OR"},{"cpeMatch":[{"criteria":"cpe:2.3:h:grandstream:ucm6204:-:*:*:*:*:*:*:*","matchCriteriaId":"B5A26ABB-8BED-4E61-91AA-ABF1B90CBD81","vulnerable":false}],"negate":false,"operator":"OR"}],"operator":"AND"},{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:grandstream:ucm6208_firmware:*:*:*:*:*:*:*:*","matchCriteriaId":"50793718-3D0C-449C-940E-3157259B9F06","versionEndIncluding":"1.0.20.23","vulnerable":true}],"negate":false,"operator":"OR"},{"cpeMatch":[{"criteria":"cpe:2.3:h:grandstream:ucm6208:-:*:*:*:*:*:*:*","matchCriteriaId":"EA744718-8862-4579-B9CF-E1E8137A02E6","vulnerable":false}],"negate":false,"operator":"OR"}],"operator":"AND"}],"cveTags":[],"descriptions":[{"lang":"en","value":"Grandstream UCM6200 series firmware version 1.0.20.23 and below is vulnerable to OS command injection via SSH. An authenticated remote attacker can execute commands as the root user by issuing a specially crafted \"unset\" command."},{"lang":"es","value":"Grandstream serie UCM6200 versiones de firmware 1.0.20.23 y posterior, es vulnerable a una inyección de comandos del Sistema Operativo por medio de SSH. Un atacante autenticado remoto puede ejecutar comandos como usuario root al emitir un comando \"unset\" especialmente diseñado"}],"id":"CVE-2020-5759","lastModified":"2026-06-17T03:22:10.993","metrics":{"cvssMetricV2":[{"acInsufInfo":false,"baseSeverity":"HIGH","cvssData":{"accessComplexity":"LOW","accessVector":"NETWORK","authentication":"NONE","availabilityImpact":"COMPLETE","baseScore":10.0,"confidentialityImpact":"COMPLETE","integrityImpact":"COMPLETE","vectorString":"AV:N/AC:L/Au:N/C:C/I:C/A:C","version":"2.0"},"exploitabilityScore":10.0,"impactScore":10.0,"obtainAllPrivilege":false,"obtainOtherPrivilege":false,"obtainUserPrivilege":false,"source":"nvd@nist.gov","type":"Primary","userInteractionRequired":false}],"cvssMetricV31":[{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"exploitabilityScore":3.9,"impactScore":5.9,"source":"nvd@nist.gov","type":"Primary"}]},"published":"2020-07-17T21:15:13.937","references":[{"source":"vulnreport@tenable.com","tags":["Not Applicable"],"url":"https://www.tenable.com/security/research/tra-2020-42"},{"source":"nvd@nist.gov","tags":["Third Party Advisory"],"url":"https://www.tenable.com/cve/CVE-2020-5759"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Not Applicable"],"url":"https://www.tenable.com/security/research/tra-2020-42"}],"sourceIdentifier":"vulnreport@tenable.com","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"CWE-78"}],"source":"vulnreport@tenable.com","type":"Secondary"},{"description":[{"lang":"en","value":"CWE-78"}],"source":"nvd@nist.gov","type":"Primary"}]}