{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-18T09:29:18.231","vulnerabilities":[{"cve":{"id":"CVE-2020-5763","sourceIdentifier":"vulnreport@tenable.com","published":"2020-07-29T19:15:15.200","lastModified":"2024-11-21T05:34:33.593","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"Grandstream HT800 series firmware version 1.0.17.5 and below contain a backdoor in the SSH service. An authenticated remote attacker can obtain a root shell by correctly answering a challenge prompt."},{"lang":"es","value":"Grandstream serie HT800 versiones de firmware 1.0.17.5 y posteriores, contiene una backdoor en el servicio SSH. Un atacante remoto autenticado puede obtener un root shell cuando responde correctamente una petición de desafío"}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":8.8,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":2.8,"impactScore":5.9}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:S/C:C/I:C/A:C","baseScore":9.0,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"SINGLE","confidentialityImpact":"COMPLETE","integrityImpact":"COMPLETE","availabilityImpact":"COMPLETE"},"baseSeverity":"HIGH","exploitabilityScore":8.0,"impactScore":10.0,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"vulnreport@tenable.com","type":"Secondary","description":[{"lang":"en","value":"CWE-489"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-326"}]}],"configurations":[{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:grandstream:ht801_firmware:*:*:*:*:*:*:*:*","versionEndIncluding":"1.0.17.5","matchCriteriaId":"10C6AE2E-DCBA-471E-AC05-D04021F625CE"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:grandstream:ht801:-:*:*:*:*:*:*:*","matchCriteriaId":"1338EDFF-1D52-41E1-9378-7D752E622188"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:grandstream:ht802_firmware:*:*:*:*:*:*:*:*","versionEndIncluding":"1.0.17.5","matchCriteriaId":"1EE48BC4-31F0-4D94-9A1E-C0E83776FDF4"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:grandstream:ht802:-:*:*:*:*:*:*:*","matchCriteriaId":"A44D9054-2A04-4A48-A270-4B56CD8BA7DD"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:grandstream:ht812_firmware:*:*:*:*:*:*:*:*","versionEndIncluding":"1.0.17.5","matchCriteriaId":"CF548C51-32DF-4365-9C36-CE1FE17AC207"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:grandstream:ht812:-:*:*:*:*:*:*:*","matchCriteriaId":"AC0A2572-951D-4384-AF93-D674F3E07788"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:grandstream:ht814_firmware:*:*:*:*:*:*:*:*","versionEndIncluding":"1.0.17.5","matchCriteriaId":"59773485-3A12-477B-BF83-C1E0E8C979AD"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:grandstream:ht814:-:*:*:*:*:*:*:*","matchCriteriaId":"AE769C28-17BB-4570-8239-6393239BE542"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:grandstream:ht818_firmware:*:*:*:*:*:*:*:*","versionEndIncluding":"1.0.17.5","matchCriteriaId":"0CBC4277-2D62-4C60-A638-851BB92B9A67"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:grandstream:ht818:-:*:*:*:*:*:*:*","matchCriteriaId":"35BEAB2F-5673-42EC-BA4F-982226C1CB7E"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:grandstream:ht813_firmware:*:*:*:*:*:*:*:*","versionEndIncluding":"1.0.17.5","matchCriteriaId":"C9E5F102-13D3-47A4-926A-4B67E0742E82"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:grandstream:ht813:-:*:*:*:*:*:*:*","matchCriteriaId":"76348549-9B8E-4E80-854F-8F8886C6BA59"}]}]}],"references":[{"url":"https://www.tenable.com/security/research/tra-2020-43","source":"vulnreport@tenable.com","tags":["Exploit","Third Party Advisory"]},{"url":"https://www.tenable.com/security/research/tra-2020-47","source":"vulnreport@tenable.com","tags":["Third Party Advisory","VDB Entry"]},{"url":"https://www.tenable.com/security/research/tra-2020-43","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Third Party Advisory"]},{"url":"https://www.tenable.com/security/research/tra-2020-47","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory","VDB Entry"]}]}}]}