{"containers":{"cna":{"affected":[{"product":"Sealevel","vendor":"n/a","versions":[{"status":"affected","version":"Sealevel Systems, Inc. SeaConnect 370W v1.3.34"}]}],"descriptions":[{"lang":"en","value":"A stack-based buffer overflow vulnerability exists in the NBNS functionality of Sealevel Systems, Inc. SeaConnect 370W v1.3.34. A specially-crafted network packet can lead to remote code execution. An attacker can send a malicious packet to trigger this vulnerability."}],"metrics":[{"cvssV3_0":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":10,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","version":"3.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-121","description":"CWE-121: Stack-based Buffer Overflow","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2022-02-04T22:29:04.000Z","orgId":"b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b","shortName":"talos"},"references":[{"tags":["x_refsource_MISC"],"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2021-1389"}],"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"talos-cna@cisco.com","ID":"CVE-2021-21961","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Sealevel","version":{"version_data":[{"version_value":"Sealevel Systems, Inc. SeaConnect 370W v1.3.34"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"A stack-based buffer overflow vulnerability exists in the NBNS functionality of Sealevel Systems, Inc. SeaConnect 370W v1.3.34. A specially-crafted network packet can lead to remote code execution. An attacker can send a malicious packet to trigger this vulnerability."}]},"impact":{"cvss":{"baseScore":10,"baseSeverity":null,"vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","version":"3.0"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-121: Stack-based Buffer Overflow"}]}]},"references":{"reference_data":[{"name":"https://talosintelligence.com/vulnerability_reports/TALOS-2021-1389","refsource":"MISC","url":"https://talosintelligence.com/vulnerability_reports/TALOS-2021-1389"}]}}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-03T18:30:23.790Z"},"title":"CVE Program Container","references":[{"tags":["x_refsource_MISC","x_transferred"],"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2021-1389"}]},{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-04-15T18:21:22.087381Z","id":"CVE-2021-21961","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-04-15T19:11:05.626Z"}}]},"cveMetadata":{"assignerOrgId":"b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b","assignerShortName":"talos","cveId":"CVE-2021-21961","datePublished":"2022-02-04T22:29:04.000Z","dateReserved":"2021-01-04T00:00:00.000Z","dateUpdated":"2025-04-15T19:11:05.626Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"}