CVE-2021-21296

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{"affected": [{"affectedData": [{"product": "fleet", "vendor": "fleetdm", "versions": [{"status": "affected", "version": "< 3.7.0"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:fleetdm:fleet:*:*:*:*:*:*:*:*", "matchCriteriaId": "DF9DDEDF-6C06-4659-B4AD-24EF544E1D7F", "versionEndExcluding": "3.7.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Fleet is an open source osquery manager. In Fleet before version 3.7.0 a malicious actor with a valid node key can send a badly formatted request that causes the Fleet server to exit, resulting in denial of service. This is possible only while a live query is currently ongoing. We believe the impact of this vulnerability to be low given the requirement that the actor has a valid node key. There is no information disclosure, privilege escalation, or code execution. The issue is fixed in Fleet 3.7.0."}, {"lang": "es", "value": "Fleet es un administrador osquery de c\u00f3digo abierto.&#xa0;En Fleet versiones anteriores a 3.7.0, un actor malicioso con una clave de nodo v\u00e1lida puede enviar una petici\u00f3n mal formateada que hace que el servidor Fleet salga, lo que resulta en la denegaci\u00f3n del servicio.&#xa0;Esto solo es posible mientras se presenta una consulta en vivo en curso.&#xa0;Creemos que el impacto de esta vulnerabilidad es bajo el requerimiento dado de que el actor tenga una clave de nodo v\u00e1lida.&#xa0;No existe una divulgaci\u00f3n de informaci\u00f3n, escalada de privilegios ni ejecuci\u00f3n de c\u00f3digo.&#xa0;El problema es corregido en Fleet versi\u00f3n 3.7.0"}], "id": "CVE-2021-21296", "lastModified": "2026-10-06T14:18:40.287", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 4.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 2.7, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 1.2, "impactScore": 1.4, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 2.7, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 1.2, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-02-10T20:15:15.353", "references": [{"source": "security-advisories@github.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/fleetdm/fleet/commit/f68f4238e83b45b2164e4ed05df14af0f06eaf40"}, {"source": "security-advisories@github.com", "tags": ["Third Party Advisory"], "url": "https://github.com/fleetdm/fleet/security/advisories/GHSA-xwh8-9p3f-3x45"}, {"source": "security-advisories@github.com", "tags": ["Product", "Third Party Advisory"], "url": "https://www.npmjs.com/package/fleetctl"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/fleetdm/fleet/commit/f68f4238e83b45b2164e4ed05df14af0f06eaf40"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/fleetdm/fleet/security/advisories/GHSA-xwh8-9p3f-3x45"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Product", "Third Party Advisory"], "url": "https://www.npmjs.com/package/fleetctl"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}], "source": "security-advisories@github.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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