VMware vCenter Server 5.1 before Update 1, when anonymous LDAP binding for Active Directory is enabled, allows remote attackers to bypass authentication by providing a valid username in conjunction with an empty password.
CVSS Severity (version 2.0):
Impact Subscore: 2.9
Exploitability Subscore: 8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type: Allows unauthorized modification
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Vulnerable software and versions