{"id":"CVE-2021-3196","state":"PUBLISHED","title":"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","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. An attacker with lower-privilege access to the application can inject the username of a high-privilege user to impersonate that user.","publishedAt":"2021-06-09T14:10:56.000Z","updatedAt":"2024-08-03T16:45:51.390Z","severity":{"score":8.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AC:L/AV:N/A:H/C:H/I:H/PR:L/S:U/UI:N","source":"mitre"},"assigner":"mitre","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["https://www.hitachi.com/hirt/security/index.html","https://www.hitachi.com/hirt/hitachi-sec/2021/601.html","https://www.hitachi-id.com/cve-2021-3196-attackers-can-impersonate-another-user"],"weaknesses":[],"ingestedAt":"2026-10-29T19:48:55.807Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/3xxx/CVE-2021-3196.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-3196","state":"PUBLISHED","datePublished":"2021-06-09T14:10:56.000Z","dateUpdated":"2024-08-03T16:45:51.390Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2021-01-21T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"https://www.hitachi.com/hirt/security/index.html","tags":["x_refsource_MISC"]},{"url":"https://www.hitachi.com/hirt/hitachi-sec/2021/601.html","tags":["x_refsource_CONFIRM"]},{"url":"https://www.hitachi-id.com/cve-2021-3196-attackers-can-impersonate-another-user","tags":["x_refsource_CONFIRM"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"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"}}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"mitre","dateUpdated":"2021-06-09T14:10:56.000Z","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2021-3196","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":"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."}]},"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"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"https://www.hitachi.com/hirt/security/index.html","refsource":"MISC","url":"https://www.hitachi.com/hirt/security/index.html"},{"name":"https://www.hitachi.com/hirt/hitachi-sec/2021/601.html","refsource":"CONFIRM","url":"https://www.hitachi.com/hirt/hitachi-sec/2021/601.html"},{"name":"https://www.hitachi-id.com/cve-2021-3196-attackers-can-impersonate-another-user","refsource":"CONFIRM","url":"https://www.hitachi-id.com/cve-2021-3196-attackers-can-impersonate-another-user"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://www.hitachi.com/hirt/security/index.html","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://www.hitachi.com/hirt/hitachi-sec/2021/601.html","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://www.hitachi-id.com/cve-2021-3196-attackers-can-impersonate-another-user","tags":["x_refsource_CONFIRM","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T16:45:51.390Z"}}]}}}