index.php in vtiger CRM before 5.0.3 allows remote authenticated users to obtain all users' names and e-mail addresses, and possibly change user settings, via a modified record parameter in a DetailView action to the Users module. NOTE: the vendor disputes the changing of settings, reporting that the attack vector results in a "You are not permitted to execute this Operation" error message in a 5.0.3 demo.
CVSS Severity (version 2.0):
Impact Subscore: 4.9
Exploitability Subscore: 8.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification
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Vulnerable software and versions