{"affected":[{"affectedData":[{"product":"Wyse Proprietary OS (ThinOS)","vendor":"Dell","versions":[{"lessThan":"ThinOS 8.6 MR9","status":"affected","version":"unspecified","versionType":"custom"}]}],"source":"security_alert@emc.com"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:dell:wyse_thinos:*:*:*:*:*:*:*:*","matchCriteriaId":"C66A561E-BD1D-4C85-926F-72C3AE9C9DFA","versionEndExcluding":"8.6","vulnerable":true},{"criteria":"cpe:2.3:o:dell:wyse_thinos:8.6:-:*:*:*:*:*:*","matchCriteriaId":"12BC0303-75FE-475C-B1E7-C526F4B15987","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"Dell Wyse ThinOS 8.6 MR9 contains remediation for an improper management server validation vulnerability that could be potentially exploited to redirect a client to an attacker-controlled management server, thus allowing the attacker to change the device configuration or certificate file."},{"lang":"es","value":"Dell Wyse ThinOS versión 8.6, MR9 contiene una corrección para una vulnerabilidad de comprobación inapropiada del servidor de administración que podría ser potencialmente explotada para redireccionar un cliente a un servidor de administración controlado por un atacante, permitiendo así al atacante cambiar la configuración del dispositivo o el archivo de certificado."}],"id":"CVE-2021-21532","lastModified":"2026-06-17T03:35:43.760","metrics":{"cvssMetricV2":[{"acInsufInfo":false,"baseSeverity":"MEDIUM","cvssData":{"accessComplexity":"LOW","accessVector":"ADJACENT_NETWORK","authentication":"NONE","availabilityImpact":"PARTIAL","baseScore":5.8,"confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","vectorString":"AV:A/AC:L/Au:N/C:P/I:P/A:P","version":"2.0"},"exploitabilityScore":6.5,"impactScore":6.4,"obtainAllPrivilege":false,"obtainOtherPrivilege":false,"obtainUserPrivilege":false,"source":"nvd@nist.gov","type":"Primary","userInteractionRequired":false}],"cvssMetricV31":[{"cvssData":{"attackComplexity":"HIGH","attackVector":"ADJACENT_NETWORK","availabilityImpact":"LOW","baseScore":5.0,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L","version":"3.1"},"exploitabilityScore":1.6,"impactScore":3.4,"source":"security_alert@emc.com","type":"Secondary"},{"cvssData":{"attackComplexity":"LOW","attackVector":"ADJACENT_NETWORK","availabilityImpact":"LOW","baseScore":6.3,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","version":"3.1"},"exploitabilityScore":2.8,"impactScore":3.4,"source":"nvd@nist.gov","type":"Primary"}]},"published":"2021-04-02T22:15:13.410","references":[{"source":"security_alert@emc.com","tags":["Vendor Advisory"],"url":"https://www.dell.com/support/kbdoc/en-us/000184665/dsa-2021-069-dell-wyse-thinos-8-6-security-update-for-an-improper-management-server-validation-vulnerabilitydsa-2021-069-dell-wyse-thinos-8-6-security-update-for-an-improper-management-server-validation-"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"],"url":"https://www.dell.com/support/kbdoc/en-us/000184665/dsa-2021-069-dell-wyse-thinos-8-6-security-update-for-an-improper-management-server-validation-vulnerabilitydsa-2021-069-dell-wyse-thinos-8-6-security-update-for-an-improper-management-server-validation-"}],"sourceIdentifier":"security_alert@emc.com","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"CWE-16"}],"source":"security_alert@emc.com","type":"Secondary"},{"description":[{"lang":"en","value":"CWE-20"}],"source":"nvd@nist.gov","type":"Primary"}]}