{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-05-06T11:31:01.962","vulnerabilities":[{"cve":{"id":"CVE-2021-21968","sourceIdentifier":"talos-cna@cisco.com","published":"2022-02-04T23:15:10.717","lastModified":"2024-11-21T05:49:20.380","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"A file write vulnerability exists in the OTA update task functionality of Sealevel Systems, Inc. SeaConnect 370W v1.3.34. A specially-crafted MQTT payload can lead to arbitrary file overwrite. An attacker can perform a man-in-the-middle attack to trigger this vulnerability."},{"lang":"es","value":"Se presenta una vulnerabilidad de escritura de archivos en la funcionalidad OTA update task de Sealevel Systems, Inc. SeaConnect 370W versión v1.3.34. Una carga útil MQTT especialmente diseñada puede conllevar a una sobreescritura arbitraria de archivos. Un atacante puede llevar a cabo un ataque de tipo man-in-the-middle para desencadenar esta vulnerabilidad"}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H","baseScore":8.3,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.6,"impactScore":6.0}],"cvssMetricV30":[{"source":"talos-cna@cisco.com","type":"Secondary","cvssData":{"version":"3.0","vectorString":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":8.1,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":2.2,"impactScore":5.9}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:P/I:P/A:P","baseScore":6.8,"accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL"},"baseSeverity":"MEDIUM","exploitabilityScore":8.6,"impactScore":6.4,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":true}]},"weaknesses":[{"source":"talos-cna@cisco.com","type":"Secondary","description":[{"lang":"en","value":"CWE-20"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"NVD-CWE-Other"}]}],"configurations":[{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:sealevel:seaconnect_370w_firmware:1.3.34:*:*:*:*:*:*:*","matchCriteriaId":"06014E46-DFB2-45C7-99FD-972EBCCC5FD3"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:sealevel:seaconnect_370w:-:*:*:*:*:*:*:*","matchCriteriaId":"D8CC996D-F36A-4B26-BD50-68F88D24D001"}]}]}],"references":[{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2021-1395","source":"talos-cna@cisco.com","tags":["Exploit","Technical Description","Third Party Advisory"]},{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2021-1395","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Technical Description","Third Party Advisory"]}]}}]}