CVE-2016-8201 in Virtual Traffic Manager
Summary
by MITRE
A CSRF vulnerability in Brocade Virtual Traffic Manager versions released prior to and including 11.0 could allow an attacker to trick a logged-in user into making administrative changes on the traffic manager cluster.
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Analysis
by VulDB Data Team • 05/13/2026
The CVE-2016-8201 vulnerability represents a critical cross-site request forgery flaw in Brocade Virtual Traffic Manager software versions up to and including 11.0. This vulnerability exists within the web-based administrative interface of the traffic management system, creating a pathway for malicious actors to exploit authenticated sessions and execute unauthorized administrative actions. The flaw specifically affects the authentication and authorization mechanisms that govern administrative operations within the virtual traffic manager cluster environment.
The technical implementation of this CSRF vulnerability stems from the absence of proper request validation mechanisms within the administrative web interface. When a legitimate administrator performs administrative tasks through the browser interface, the system fails to adequately verify that requests originate from the authenticated user's intentional actions rather than from malicious third-party web pages. This weakness allows attackers to craft specially crafted web pages or email attachments that, when visited by an authenticated administrator, automatically submit administrative commands to the traffic manager without the user's knowledge or consent. The vulnerability is particularly dangerous because it operates at the session level where administrative privileges are already established, eliminating the need for additional authentication bypass techniques.
The operational impact of this vulnerability extends beyond simple data manipulation to encompass complete compromise of the traffic management infrastructure. An attacker who successfully exploits this CSRF flaw could perform critical administrative functions such as modifying load balancing configurations, altering routing rules, changing user permissions, or even disabling critical traffic management services. This could result in service disruption, traffic redirection, or complete loss of control over the virtual traffic manager cluster. The vulnerability is especially concerning in environments where the traffic manager handles critical network infrastructure, as it could lead to widespread service outages or security breaches. The attack vector is particularly stealthy since the victim administrator remains unaware of the unauthorized actions being performed on their behalf.
Mitigation strategies for CVE-2016-8201 should focus on implementing robust anti-CSRF protection mechanisms within the web application layer. Organizations should immediately upgrade to Brocade Virtual Traffic Manager versions that address this vulnerability, as the manufacturer has released patches and updates to resolve the issue. Additionally, implementing proper CSRF token validation mechanisms, enforcing strict referer header checks, and utilizing SameSite cookie attributes can provide additional layers of protection. Network segmentation and privileged access controls should also be reviewed and strengthened to limit the scope of potential damage from successful exploitation. This vulnerability aligns with CWE-352, which specifically addresses Cross-Site Request Forgery issues, and corresponds to techniques outlined in the ATT&CK framework under T1566 for credential access through social engineering and T1071 for application layer protocols. Organizations should also consider implementing web application firewalls and monitoring for suspicious administrative activities to detect potential exploitation attempts. The remediation process should include thorough testing of updated systems to ensure that the CSRF protections are properly implemented and functioning as intended.