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CVE-2021-3196

8.8 · HIGH

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.

Published Jun 9, 2021CWE-347EPSS 0.96%

Overview

CVE-2021-3196 is a high-severity vulnerability. It was published on June 9, 2021 and has a CVSS 3.1 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refwww.hitachi-id.com/cve-2021-3196-attackers-can-impersonate-another-userRefwww.hitachi.com/hirt/hitachi-sec/2021/601.htmlRefwww.hitachi.com/hirt/security/index.htmlRefwww.hitachi-id.com/cve-2021-3196-attackers-can-impersonate-another-userRefwww.hitachi.com/hirt/hitachi-sec/2021/601.htmlRefwww.hitachi.com/hirt/security/index.html

How CyberStrike helps

Frequently asked questions

What is CVE-2021-3196?

CVE-2021-3196 is a high-severity vulnerability. It was published on June 9, 2021 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2021-3196?

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2021-3196?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2021-3196?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-3196 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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