{"api_version":"1","generated_at":"2026-07-23T14:17:06+00:00","cve":"CVE-2021-35221","urls":{"html":"https://cve.report/CVE-2021-35221","api":"https://cve.report/api/cve/CVE-2021-35221.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2021-35221","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-35221"},"summary":{"title":"CVE-2021-35221","description":"Improper Access Control Tampering Vulnerability using ImportAlert function which can lead to a Remote Code Execution (RCE) from the Alerts Settings page.","state":"PUBLIC","assigner":"psirt@solarwinds.com","published_at":"2021-08-31 13:15:00","updated_at":"2022-10-27 12:48:00"},"problem_types":["NVD-CWE-Other"],"metrics":[],"references":[{"url":"https://support.solarwinds.com/SuccessCenter/s/article/Orion-Platform-2020-2-6-Hotfix-1?language=en_US","name":"https://support.solarwinds.com/SuccessCenter/s/article/Orion-Platform-2020-2-6-Hotfix-1?language=en_US","refsource":"MISC","tags":[],"title":"Success Center","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://support.solarwinds.com/SuccessCenter/s/article/Mitigate-the-ImportAlert-Improper-Access-Control-Tampering-Vulnerability-CVE-2021-35221?language=en_US","name":"https://support.solarwinds.com/SuccessCenter/s/article/Mitigate-the-ImportAlert-Improper-Access-Control-Tampering-Vulnerability-CVE-2021-35221?language=en_US","refsource":"MISC","tags":[],"title":"Success Center","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://documentation.solarwinds.com/en/success_center/orionplatform/content/core-secure-configuration.htm","name":"https://documentation.solarwinds.com/en/success_center/orionplatform/content/core-secure-configuration.htm","refsource":"MISC","tags":[],"title":"Secure Configuration for the Orion Platform","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35221","name":"https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35221","refsource":"MISC","tags":[],"title":"Page Not Found.","mime":"text/html","httpstatus":"404","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-35221","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-35221","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[{"source":"LEGACY","value":"SolarWinds would like to thank Alex Birnberg of Zymo Security and FireEye for reporting on the issue in a responsible manner.","lang":""}],"nvd_cpes":[{"cve_year":"2021","cve_id":"35221","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"microsoft","cpe5":"windows","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"35221","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"solarwinds","cpe5":"orion_platform","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":"psirt@solarwinds.com","ID":"CVE-2021-35221","STATE":"PUBLIC","TITLE":"ImportAlert Improper Access Control Tampering Vulnerability"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Orion Platform","version":{"version_data":[{"platform":"Windows","version_affected":"<=","version_name":"2020.2.6 and previous versions ","version_value":"2020.2.6 HF1 "}]}}]},"vendor_name":"SolarWinds"}]}},"credit":[{"lang":"eng","value":"SolarWinds would like to thank Alex Birnberg of Zymo Security and FireEye for reporting on the issue in a responsible manner."}],"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"Improper Access Control Tampering Vulnerability using ImportAlert function which can lead to a Remote Code Execution (RCE) from the Alerts Settings page."}]},"generator":{"engine":"Vulnogram 0.0.9"},"impact":{"cvss":{"attackComplexity":"LOW","attackVector":"ADJACENT_NETWORK","availabilityImpact":"NONE","baseScore":6.3,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-284 Improper Access Control"}]}]},"references":{"reference_data":[{"refsource":"MISC","url":"https://documentation.solarwinds.com/en/success_center/orionplatform/content/core-secure-configuration.htm","name":"https://documentation.solarwinds.com/en/success_center/orionplatform/content/core-secure-configuration.htm"},{"refsource":"MISC","url":"https://support.solarwinds.com/SuccessCenter/s/article/Orion-Platform-2020-2-6-Hotfix-1?language=en_US","name":"https://support.solarwinds.com/SuccessCenter/s/article/Orion-Platform-2020-2-6-Hotfix-1?language=en_US"},{"refsource":"MISC","url":"https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35221","name":"https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35221"},{"refsource":"MISC","url":"https://support.solarwinds.com/SuccessCenter/s/article/Mitigate-the-ImportAlert-Improper-Access-Control-Tampering-Vulnerability-CVE-2021-35221?language=en_US","name":"https://support.solarwinds.com/SuccessCenter/s/article/Mitigate-the-ImportAlert-Improper-Access-Control-Tampering-Vulnerability-CVE-2021-35221?language=en_US"}]},"solution":[{"lang":"eng","value":"SolarWinds recommends installing 2020.2.6 Hotfix 1 for the Orion Platform as soon as it becomes available. All customers should implement all the recommendations from the Orion Secure Configuration Guide."}],"source":{"defect":["CVE-2021-35221"],"discovery":"EXTERNAL"},"work_around":[{"lang":"eng","value":"If you are unable to upgrade immediately. See SolarWinds Knowledgebase Article Below: \nhttps://support.solarwinds.com/SuccessCenter/s/article/Mitigate-the-ImportAlert-Improper-Access-Control-Tampering-Vulnerability-CVE-2021-35221?language=en_US\n\n\n"}]},"nvd":{"publishedDate":"2021-08-31 13:15:00","lastModifiedDate":"2022-10-27 12:48:00","problem_types":["NVD-CWE-Other"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"NONE","baseScore":8.1,"baseSeverity":"HIGH"},"exploitabilityScore":2.8,"impactScore":5.2},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:L/Au:S/C:P/I:P/A:N","accessVector":"NETWORK","accessComplexity":"LOW","authentication":"SINGLE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"NONE","baseScore":5.5},"severity":"MEDIUM","exploitabilityScore":8,"impactScore":4.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"AND","children":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:solarwinds:orion_platform:*:*:*:*:*:*:*:*","versionEndExcluding":"2020.2.6","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":false,"cpe23Uri":"cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*","cpe_name":[]}]}],"cpe_match":[]}]}},"legacy_mitre":{"record":{"CveYear":"2021","CveId":"35221","Ordinal":"210712","Title":"CVE-2021-35221","CVE":"CVE-2021-35221","Year":"2021"},"notes":[{"CveYear":"2021","CveId":"35221","Ordinal":"1","NoteData":"Improper Access Control Tampering Vulnerability using ImportAlert function which can lead to a Remote Code Execution (RCE) from the Alerts Settings page.","Type":"Description","Title":null},{"CveYear":"2021","CveId":"35221","Ordinal":"2","NoteData":"2021-08-31","Type":"Other","Title":"Published"},{"CveYear":"2021","CveId":"35221","Ordinal":"3","NoteData":"2021-08-31","Type":"Other","Title":"Modified"}]}}}