Full title: Apache CloudStack 4.3 / 4.4 Unauthenticated LDAP Binds Vulnerability 
Category: remote exploits
Platform: multiple
Apache CloudStack may be configured to authenticate LDAP users. When so configured, it performs a simple LDAP bind with the name and password provided by a user. Simple LDAP binds are defined with three mechanisms (RFC 4513): 1) username and password; 2) unauthenticated if only a username is specified; and 3) anonymous if neither username or password is specified. Currently, Apache CloudStack does not check if the password was provided which could allow an attacker to bind as an unauthenticated user. Versions 4.3 and 4.4 are affected.

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