{"api_version":"1","generated_at":"2026-07-23T20:19:15+00:00","cve":"CVE-2021-3398","urls":{"html":"https://cve.report/CVE-2021-3398","api":"https://cve.report/api/cve/CVE-2021-3398.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2021-3398","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-3398"},"summary":{"title":"CVE-2021-3398","description":"Stormshield Network Security (SNS) 3.x has an Integer Overflow in the high-availability component.","state":"PUBLIC","assigner":"cve@mitre.org","published_at":"2022-02-10 17:15:00","updated_at":"2022-02-23 17:26:00"},"problem_types":["CWE-190"],"metrics":[],"references":[{"url":"https://advisories.stormshield.eu/2021-001/","name":"https://advisories.stormshield.eu/2021-001/","refsource":"MISC","tags":[],"title":"SNS : Split-brain mode on high-availability cluster (CVE-2021-3398) | Stormshield security","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.stormshield.com/category/alert/","name":"https://www.stormshield.com/category/alert/","refsource":"MISC","tags":[],"title":"Alert Archives - Stormshield","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-3398","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-3398","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2021","cve_id":"3398","vulnerable":"1","versionEndIncluding":"3.11.12","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"stormshield","cpe5":"stormshield_network_security","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"3398","vulnerable":"1","versionEndIncluding":"3.7.24","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"stormshield","cpe5":"stormshield_network_security","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":"cve@mitre.org","ID":"CVE-2021-3398","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"Stormshield Network Security (SNS) 3.x has an Integer Overflow in the high-availability component."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"url":"https://www.stormshield.com/category/alert/","refsource":"MISC","name":"https://www.stormshield.com/category/alert/"},{"refsource":"MISC","name":"https://advisories.stormshield.eu/2021-001/","url":"https://advisories.stormshield.eu/2021-001/"}]}},"nvd":{"publishedDate":"2022-02-10 17:15:00","lastModifiedDate":"2022-02-23 17:26:00","problem_types":["CWE-190"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"LOW","baseScore":5.8,"baseSeverity":"MEDIUM"},"exploitabilityScore":3.9,"impactScore":1.4},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:N/I:N/A:P","accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"PARTIAL","baseScore":5},"severity":"MEDIUM","exploitabilityScore":10,"impactScore":2.9,"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:stormshield:stormshield_network_security:*:*:*:*:*:*:*:*","versionStartIncluding":"3.0.0","versionEndIncluding":"3.7.24","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:stormshield:stormshield_network_security:*:*:*:*:*:*:*:*","versionStartIncluding":"3.8.0","versionEndIncluding":"3.11.12","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2021","CveId":"3398","Ordinal":"201748","Title":"CVE-2021-3398","CVE":"CVE-2021-3398","Year":"2021"},"notes":[{"CveYear":"2021","CveId":"3398","Ordinal":"1","NoteData":"Stormshield Network Security (SNS) 3.x has an Integer Overflow in the high-availability component.","Type":"Description","Title":null},{"CveYear":"2021","CveId":"3398","Ordinal":"2","NoteData":"2022-02-10","Type":"Other","Title":"Published"},{"CveYear":"2021","CveId":"3398","Ordinal":"3","NoteData":"2022-02-10","Type":"Other","Title":"Modified"}]}}}