{"api_version":"1","generated_at":"2026-07-23T23:58:36+00:00","cve":"CVE-2021-3196","urls":{"html":"https://cve.report/CVE-2021-3196","api":"https://cve.report/api/cve/CVE-2021-3196.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2021-3196","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-3196"},"summary":{"title":"CVE-2021-3196","description":"An issue was discovered in Hitachi ID Bravura Security Fabric 11.0.0 through 11.1.3, 12.0.0 through 12.0.2, and 12.1.0. When using federated identity management (authenticating via SAML through a third-party identity provider), an attacker can inject additional data into a signed SAML response being transmitted to the service provider (ID Bravura Security Fabric). The application successfully validates the signed values but uses the unsigned malicious values. 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When using federated identity management (authenticating via SAML through a third-party identity provider), an attacker can inject additional data into a signed SAML response being transmitted to the service provider (ID Bravura Security Fabric). The application successfully validates the signed values but uses the unsigned malicious values. An attacker with lower-privilege access to the application can inject the username of a high-privilege user to impersonate that user."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"url":"https://www.hitachi.com/hirt/security/index.html","refsource":"MISC","name":"https://www.hitachi.com/hirt/security/index.html"},{"refsource":"CONFIRM","name":"https://www.hitachi.com/hirt/hitachi-sec/2021/601.html","url":"https://www.hitachi.com/hirt/hitachi-sec/2021/601.html"},{"refsource":"CONFIRM","name":"https://www.hitachi-id.com/cve-2021-3196-attackers-can-impersonate-another-user","url":"https://www.hitachi-id.com/cve-2021-3196-attackers-can-impersonate-another-user"}]},"impact":{"cvss":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AC:L/AV:N/A:H/C:H/I:H/PR:L/S:U/UI:N","version":"3.1"}}},"nvd":{"publishedDate":"2021-06-09 15:15:00","lastModifiedDate":"2021-06-24 16:34:00","problem_types":["CWE-347"],"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:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH"},"exploitabilityScore":2.8,"impactScore":5.9},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:L/Au:S/C:P/I:P/A:P","accessVector":"NETWORK","accessComplexity":"LOW","authentication":"SINGLE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL","baseScore":6.5},"severity":"MEDIUM","exploitabilityScore":8,"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:hitachi:id_bravura_security_fabric:12.1.0:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:hitachi:id_bravura_security_fabric:*:*:*:*:*:*:*:*","versionStartIncluding":"12.0.0","versionEndIncluding":"12.0.2","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:hitachi:id_bravura_security_fabric:*:*:*:*:*:*:*:*","versionStartIncluding":"11.0.0","versionEndIncluding":"11.1.3","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2021","CveId":"3196","Ordinal":"200467","Title":"CVE-2021-3196","CVE":"CVE-2021-3196","Year":"2021"},"notes":[{"CveYear":"2021","CveId":"3196","Ordinal":"1","NoteData":"An issue was discovered in Hitachi ID Bravura Security Fabric 11.0.0 through 11.1.3, 12.0.0 through 12.0.2, and 12.1.0. When using federated identity management (authenticating via SAML through a third-party identity provider), an attacker can inject additional data into a signed SAML response being transmitted to the service provider (ID Bravura Security Fabric). The application successfully validates the signed values but uses the unsigned malicious values. An attacker with lower-privilege access to the application can inject the username of a high-privilege user to impersonate that user.","Type":"Description","Title":null},{"CveYear":"2021","CveId":"3196","Ordinal":"2","NoteData":"2021-06-09","Type":"Other","Title":"Published"},{"CveYear":"2021","CveId":"3196","Ordinal":"3","NoteData":"2021-06-09","Type":"Other","Title":"Modified"}]}}}