Trend Micro InterScan Web Security Virtual Appliance (IWSVA) 6.5 before CP 1746 does not sanitize a rest/commonlog/report/template name field, which allows a 'Reports Only' user to inject malicious JavaScript while creating a new report. Additionally, IWSVA implements incorrect access control that allows any authenticated, remote user (even with low privileges like 'Auditor') to create or modify reports, and consequently take advantage of this XSS vulnerability. The JavaScript is executed when victims visit reports or auditlog pages.

Trend Micro InterScan Web Security Virtual Appliance (IWSVA) 6.5 before CP 1746 mismanages certain key and certificate data. Per IWSVA documentation, by default, IWSVA acts as a private Certificate Authority (CA) and dynamically generates digital certificates that are sent to client browsers to complete a secure passage for HTTPS connections. It also allows administrators to upload their own certificates signed by a root CA. An attacker with low privileges can download the current CA certificate and Private Key (either the default ones or ones uploaded by administrators) and use those to decrypt HTTPS traffic, thus compromising confidentiality. Also, the default Private Key on this appliance is encrypted with a very weak passphrase. If an appliance uses the default Certificate and Private Key provided by Trend Micro, an attacker can simply download these and decrypt the Private Key using the default/weak passphrase.

Multiple Access Control issues in Trend Micro InterScan Web Security Virtual Appliance (IWSVA) 6.5 before CP 1746 allow an authenticated, remote user with low privileges like 'Reports Only' or 'Auditor' to change FTP Access Control Settings, create or modify reports, or upload an HTTPS Decryption Certificate and Private Key.

Multiple stored Cross-Site-Scripting (XSS) vulnerabilities in com.trend.iwss.gui.servlet.updateaccountadministration in Trend Micro InterScan Web Security Virtual Appliance (IWSVA) version 6.5-SP2_Build_Linux_1707 and earlier allow authenticated, remote users with least privileges to inject arbitrary HTML/JavaScript code into web pages. This was resolved in Version 6.5 CP 1737.

Privilege Escalation Vulnerability in com.trend.iwss.gui.servlet.updateaccountadministration in Trend Micro InterScan Web Security Virtual Appliance (IWSVA) version 6.5-SP2_Build_Linux_1707 and earlier allows authenticated, remote users with least privileges to change Master Admin's password and/or add new admin accounts. This was resolved in Version 6.5 CP 1737.

Sensitive Information Disclosure in com.trend.iwss.gui.servlet.ConfigBackup in Trend Micro InterScan Web Security Virtual Appliance (IWSVA) version 6.5-SP2_Build_Linux_1707 and earlier allows authenticated, remote users with least privileges to backup the system configuration and download it onto their local machine. This backup file contains sensitive information like passwd/shadow files, RSA certificates, Private Keys and Default Passphrase, etc. This was resolved in Version 6.5 CP 1737.

Remote Command Execution in com.trend.iwss.gui.servlet.ManagePatches in Trend Micro Interscan Web Security Virtual Appliance (IWSVA) version 6.5-SP2_Build_Linux_1707 and earlier allows authenticated, remote users with least privileges to run arbitrary commands on the system as root via Patch Update functionality. This was resolved in Version 6.5 CP 1737.

The AdminUI in Trend Micro InterScan Web Security Virtual Appliance (IWSVA) before 6.0 HF build 1244 allows remote authenticated users to read arbitrary files via vectors related to configuration input when saving filters.