CVE-2013-6968

EUVD-2013-6769
Cisco WebEx Training Center provides different error messages for registration attempts depending on whether the e-mail address exists, which allows remote attackers to enumerate attendees via a series of requests, aka Bug ID CSCul36003.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5 UNKNOWN
NETWORK
LOW
AV:N/AC:L/Au:N/C:P/I:N/A:N