Thomson Reuters Eikon 4.0.42144 allows all local users to modify the service executable file because of weak %PROGRAMFILES(X86)%\Thomson Reuters\Eikon permissions.

Directory traversal vulnerability in Thomson Reuters for FATCA before 5.2 allows remote attackers to execute arbitrary files via the item parameter.

A file upload issue exists in the specid parameter in Thomson Reuters FATCH before 5.2, which allows malicious users to upload arbitrary PHP files to the web root and execute system commands.

An issue was discovered in Thomson Reuters Desktop Extensions 1.9.0.358. An unauthenticated directory traversal and local file inclusion vulnerability in the ThomsonReuters.Desktop.Service.exe and ThomsonReuters.Desktop.exe allows a remote attacker to list or enumerate sensitive contents of files via a \.. to port 6677. Additionally, this could allow for privilege escalation by dumping the affected machine's SAM and SYSTEM database files, as well as remote code execution.

Thomson Reuters UltraTax CS 2017 on Windows has a password protection option; however, the level of protection might be inconsistent with some customers' expectations because the data is directly accessible in cleartext. Specifically, it stores customer data in unique directories (%install_path%\WinCSI\UT17DATA\client_ID\file_name.XX17) that can be bypassed without authentication by examining the strings of the .XX17 file. The strings stored in the .XX17 file contain each customer's: Full Name, Spouse's Name, Social Security Number, Date of Birth, Occupation, Home Address, Daytime Phone Number, Home Phone Number, Spouse's Address, Spouse's Daytime Phone Number, Spouse's Social Security Number, Spouse's Home Phone Number, Spouse's Occupation, Spouse's Date of Birth, and Spouse's Filing Status.

Thomson Reuters UltraTax CS 2017 on Windows, in a client/server configuration, transfers customer records and bank account numbers in cleartext over SMBv2, which allows attackers to (1) obtain sensitive information by sniffing the network or (2) conduct man-in-the-middle (MITM) attacks via unspecified vectors. The customer record transferred in cleartext contains: Client ID, Full Name, Spouse's Full Name, Social Security Number, Spouse's Social Security Number, Occupation, Spouse's Occupation, Daytime Phone, Home Phone, Tax Preparer, Federal and State Taxes to File, Bank Name, Bank Account Number, and possibly other sensitive information.

The installer in Thomson Reuters Fixed Assets CS 13.1.4 and earlier uses weak permissions for connectbgdl.exe, which allows local users to execute arbitrary code by modifying this program.

VhttpdMgr in Thomson Reuters Velocity Analytics Vhayu Analytic Server 6.94 build 2995 allows remote attackers to execute arbitrary code via a URL in the fileName parameter during an importFile action.