{"dataType": "CVE_RECORD", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2021-44320", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2026-09-04T19:23:53.900Z", "dateReserved": "2021-11-29T00:00:00.000Z", "datePublished": "2026-09-04T00:00:00.000Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2026-09-04T17:17:17.101Z"}, "descriptions": [{"lang": "en", "value": "Parrot AR.Drone version 1 and 2 does not employ a suitable mechanism to prevent denial-of-service (DoS) attacks. An attacker can harm the device availability (i.e., video streaming and control) by using tool to perform an IPv4 flood attack. Verified attacks includes SYN flooding and UDP flooding."}], "affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"version": "n/a", "status": "affected"}]}], "references": [{"url": "https://www.researchgate.net/publication/313177418_The_Impact_of_DoS_Attacks_on_the_ARDrone_20"}, {"url": "https://www.researchgate.net/publication/257681090_ARDrone_corruption"}, {"url": "https://github.com/gubertoli/cve/tree/main/CVE-2021-44320"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "n/a"}]}]}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-400", "lang": "en", "description": "CWE-400 Uncontrolled Resource Consumption"}]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-09-04T19:23:27.940459Z", "id": "CVE-2021-44320", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-04T19:23:53.900Z"}}]}, "dataVersion": "5.2"}

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Parrot AR.Drone version 1 and 2 does not employ a suitable mechanism to prevent denial-of-service (DoS) attacks. An attacker can harm the device availability (i.e., video streaming and control) by using tool to perform an IPv4 flood attack. Verified attacks includes SYN flooding and UDP flooding."}], "id": "CVE-2021-44320", "lastModified": "2026-09-04T20:17:19.860", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2021-44320", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-09-04T19:23:27.940459Z", "version": "2.0.3"}}]}, "published": "2026-09-04T18:17:44.397", "references": [{"source": "cve@mitre.org", "url": "https://github.com/gubertoli/cve/tree/main/CVE-2021-44320"}, {"source": "cve@mitre.org", "url": "https://www.researchgate.net/publication/257681090_ARDrone_corruption"}, {"source": "cve@mitre.org", "url": "https://www.researchgate.net/publication/313177418_The_Impact_of_DoS_Attacks_on_the_ARDrone_20"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{"created": "2026-09-04T23:00:17.034808+00:00", "title": "Denial of Service via IPv4 Flood on Parrot AR.Drone", "updated": "2026-09-04T23:00:17.034815+00:00", "vendors": []}