CVE-2021-3196 Explained : Impact and Mitigation

An issue was discovered in Hitachi ID Bravura Security Fabric versions 11.0.0 through 11.1.3, 12.0.0 through 12.0.2, and 12.1.0. This vulnerability allows an attacker to inject additional data into a signed SAML response, potentially enabling them to impersonate high-privileged users.

Understanding CVE-2021-3196

This section provides insights into the nature and impact of CVE-2021-3196.

What is CVE-2021-3196?

The vulnerability in Hitachi ID Bravura Security Fabric allows an attacker to manipulate SAML responses and impersonate privileged users.

The Impact of CVE-2021-3196

The impact of this vulnerability is rated as high, with attackers being able to inject malicious data to obtain unauthorized access.

Technical Details of CVE-2021-3196

This section delves into the technical aspects of the CVE.

Vulnerability Description

The flaw enables attackers to inject data into SAML responses to authenticate as high-privileged users.

Affected Systems and Versions

Hitachi ID Bravura Security Fabric versions 11.0.0 through 11.1.3, 12.0.0 through 12.0.2, and 12.1.0 are affected by this vulnerability.

Exploitation Mechanism

Attackers with lower-privilege access can exploit this flaw by injecting a high-privileged username in a signed SAML response.

Mitigation and Prevention

This section outlines measures to mitigate the risks associated with CVE-2021-3196.

Immediate Steps to Take

Organizations should apply security patches provided by Hitachi to remediate the vulnerability and prevent unauthorized access.

Long-Term Security Practices

Implementing strong authentication mechanisms and monitoring SAML responses can enhance security posture and prevent such attacks.

Patching and Updates

Regularly update Hitachi ID Bravura Security Fabric to the latest version to ensure vulnerabilities are addressed and security is enhanced.