The password reset feature in the administrator interface for Eucalyptus 2.0.0 and 2.0.1 does not perform authentication, which allows remote attackers to gain privileges by sending password reset requests for other users.
https://exchange.xforce.ibmcloud.com/vulnerabilities/64167
http://www.vupen.com/english/advisories/2010/3260
http://www.vupen.com/english/advisories/2010/3259
http://www.ubuntu.com/usn/USN-1033-1
http://www.securityfocus.com/bid/45462
http://secunia.com/advisories/42666