{"api_version":"1","generated_at":"2026-07-23T20:58:21+00:00","cve":"CVE-2020-27649","urls":{"html":"https://cve.report/CVE-2020-27649","api":"https://cve.report/api/cve/CVE-2020-27649.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2020-27649","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-27649"},"summary":{"title":"CVE-2020-27649","description":"Improper certificate validation vulnerability in OpenVPN client in Synology Router Manager (SRM) before 1.2.4-8081 allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.","state":"PUBLIC","assigner":"security@synology.com","published_at":"2020-10-29 09:15:00","updated_at":"2020-11-09 14:59:00"},"problem_types":["CWE-295"],"metrics":[],"references":[{"url":"https://www.synology.com/security/advisory/Synology_SA_20_14","name":"https://www.synology.com/security/advisory/Synology_SA_20_14","refsource":"CONFIRM","tags":["Vendor Advisory"],"title":"Synology Inc.","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1058","name":"https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1058","refsource":"MISC","tags":["Exploit","Third Party Advisory"],"title":"TALOS-2020-1058 ||  Cisco Talos Intelligence Group - Comprehensive Threat Intelligence","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-27649","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-27649","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2020","cve_id":"27649","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"synology","cpe5":"router_manager","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2020","cve_id":"27649","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"synology","cpe5":"router_manager","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"data_type":"CVE","data_format":"MITRE","data_version":"4.0","CVE_data_meta":{"ID":"CVE-2020-27649","ASSIGNER":"security@synology.com","DATE_PUBLIC":"2020-10-29T00:00:00","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Synology Router Manager (SRM)","version":{"version_data":[{"affected":"<","version_value":"1.2.4-8081"}]}}]},"vendor_name":"Synology"}]}},"description":{"description_data":[{"lang":"eng","value":"Improper certificate validation vulnerability in OpenVPN client in Synology Router Manager (SRM) before 1.2.4-8081 allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate."}]},"impact":{"cvss":{"baseScore":"8.3","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-295: Improper Certificate Validation"}]}]},"references":{"reference_data":[{"name":"https://www.synology.com/security/advisory/Synology_SA_20_14","refsource":"CONFIRM","url":"https://www.synology.com/security/advisory/Synology_SA_20_14"},{"refsource":"MISC","name":"https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1058","url":"https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1058"}]}},"nvd":{"publishedDate":"2020-10-29 09:15:00","lastModifiedDate":"2020-11-09 14:59:00","problem_types":["CWE-295"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":9,"baseSeverity":"CRITICAL"},"exploitabilityScore":2.2,"impactScore":6},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:P/I:P/A:P","accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL","baseScore":6.8},"severity":"MEDIUM","exploitabilityScore":8.6,"impactScore":6.4,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:synology:router_manager:*:*:*:*:*:*:*:*","versionStartIncluding":"1.2","versionEndExcluding":"1.2.4-8081","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2020","CveId":"27649","Ordinal":"189283","Title":"CVE-2020-27649","CVE":"CVE-2020-27649","Year":"2020"},"notes":[{"CveYear":"2020","CveId":"27649","Ordinal":"1","NoteData":"Improper certificate validation vulnerability in OpenVPN client in Synology Router Manager (SRM) before 1.2.4-8081 allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.","Type":"Description","Title":null},{"CveYear":"2020","CveId":"27649","Ordinal":"2","NoteData":"2020-10-29","Type":"Other","Title":"Published"},{"CveYear":"2020","CveId":"27649","Ordinal":"3","NoteData":"2020-10-29","Type":"Other","Title":"Modified"}]}}}