{"api_version":"1","generated_at":"2026-05-01T16:09:13+00:00","cve":"CVE-2021-21510","urls":{"html":"https://cve.report/CVE-2021-21510","api":"https://cve.report/api/cve/CVE-2021-21510.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2021-21510","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-21510"},"summary":{"title":"CVE-2021-21510","description":"Dell iDRAC8 versions prior to 2.75.100.75 contain a host header injection vulnerability. A remote unauthenticated attacker may potentially exploit this vulnerability by injecting arbitrary ‘Host’ header values to poison a web-cache or trigger redirections.","state":"PUBLIC","assigner":"secure@dell.com","published_at":"2021-03-08 22:15:00","updated_at":"2022-10-24 17:08:00"},"problem_types":["CWE-74"],"metrics":[],"references":[{"url":"https://www.dell.com/support/kbdoc/en-us/000183758/dsa-2021-041-dell-emc-idrac-8-security-update-for-a-host-header-injection-vulnerability","name":"https://www.dell.com/support/kbdoc/en-us/000183758/dsa-2021-041-dell-emc-idrac-8-security-update-for-a-host-header-injection-vulnerability","refsource":"MISC","tags":["Vendor Advisory"],"title":"DSA-2021-041: Dell iDRAC 8 Security Update for a host header injection vulnerability. | Dell US","mime":"text/html","httpstatus":"403","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-21510","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-21510","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2021","cve_id":"21510","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"dell","cpe5":"idrac8_firmware","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"21510","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"dell","cpe5":"idrac8_firmware","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"secure@dell.com","DATE_PUBLIC":"2021-03-04","ID":"CVE-2021-21510","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Integrated Dell Remote Access Controller (iDRAC)","version":{"version_data":[{"version_affected":"<","version_value":"2.75.100.75"}]}}]},"vendor_name":"Dell"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"Dell iDRAC8 versions prior to 2.75.100.75 contain a host header injection vulnerability. A remote unauthenticated attacker may potentially exploit this vulnerability by injecting arbitrary ‘Host’ header values to poison a web-cache or trigger redirections."}]},"impact":{"cvss":{"baseScore":6.1,"baseSeverity":"Medium","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","version":"3.0"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-20: Improper Input Validation"}]}]},"references":{"reference_data":[{"refsource":"MISC","url":"https://www.dell.com/support/kbdoc/en-us/000183758/dsa-2021-041-dell-emc-idrac-8-security-update-for-a-host-header-injection-vulnerability","name":"https://www.dell.com/support/kbdoc/en-us/000183758/dsa-2021-041-dell-emc-idrac-8-security-update-for-a-host-header-injection-vulnerability"}]}},"nvd":{"publishedDate":"2021-03-08 22:15:00","lastModifiedDate":"2022-10-24 17:08:00","problem_types":["CWE-74"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE","baseScore":6.1,"baseSeverity":"MEDIUM"},"exploitabilityScore":2.8,"impactScore":2.7},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:P/I:P/A:N","accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"NONE","baseScore":5.8},"severity":"MEDIUM","exploitabilityScore":8.6,"impactScore":4.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":true}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:dell:idrac8_firmware:*:*:*:*:*:*:*:*","versionEndExcluding":"2.75.100.75","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2021","CveId":"21510","Ordinal":"196198","Title":"CVE-2021-21510","CVE":"CVE-2021-21510","Year":"2021"},"notes":[{"CveYear":"2021","CveId":"21510","Ordinal":"1","NoteData":"Dell iDRAC8 versions prior to 2.75.100.75 contain a host header injection vulnerability. A remote unauthenticated attacker may potentially exploit this vulnerability by injecting arbitrary ‘Host’ header values to poison a web-cache or trigger redirections.","Type":"Description","Title":null},{"CveYear":"2021","CveId":"21510","Ordinal":"2","NoteData":"2021-03-08","Type":"Other","Title":"Published"},{"CveYear":"2021","CveId":"21510","Ordinal":"3","NoteData":"2021-03-08","Type":"Other","Title":"Modified"}]}}}