What’s Vulnerable › Vulnerabilities

CVE-2021-3196

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-06-09 · updated 2026-06-17
• Weakness: CWE-347

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.

Affected products

• Hitachi Id Bravura Security Fabric: from 11.0.0 through 11.1.3; from 12.0.0 through 12.0.2; 12.1.0

References

• https://www.hitachi-id.com/cve-2021-3196-attackers-can-impersonate-another-user
• https://www.hitachi.com/hirt/hitachi-sec/2021/601.html
• https://www.hitachi.com/hirt/security/index.html
• https://www.hitachi-id.com/cve-2021-3196-attackers-can-impersonate-another-user
• https://www.hitachi.com/hirt/hitachi-sec/2021/601.html
• https://www.hitachi.com/hirt/security/index.html

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