Fortinet Discovers Trend Micro Security Products Security Bypass Vulnerability


Fortinet's FortiGuard Labs has discovered Security Bypass vulnerability in multiple Trend Micro security products.

Fortinet discovered some malware are manipulating VizorUniclient.dll, one of Trend Micro's product DLL components, to exclude the malware's specified file path from Trend Micro Security's real-time or on-demand scanning.


Users should apply the solution provided by Trend Micro.

Additional Information

Following products and versions are affected.
  Premium Security 10.0.1186 and below
  Maximum Security 10.0.1186 and below
  Internet Security 10.0.1186 and below
  Antivirus + Security 10.0.1186 and below


Fortinet reported the vulnerability to Trend Micro on March 18, 2016.

Trend Micro confirmed the vulnerability on April 13, 2016.


This vulnerability was discovered by Wayne Low of Fortinet's FortiGuard Labs.

IPS Subscription

Fortinet customers who subscribe to Fortinet's intrusion prevention (IPS) service should be protected against this vulnerability with the appropriate configuration parameters in place. Fortinet's IPS service is one component of FortiGuard Subscription Services, which also offer comprehensive solutions such as antivirus, Web content filtering and antispam capabilities. These services enable protection against threats on both application and network layers. FortiGuard Services are continuously updated by FortiGuard Labs, which enables Fortinet to deliver a combination of multi-layered security intelligence and true zero-day protection from new and emerging threats. These updates are delivered to all FortiGate, FortiMail and FortiClient products. Fortinet strictly follows responsible disclosure guidelines to ensure optimum protection during a threat's lifecycle.