5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:N/A:N
7.1 High
AI Score
Confidence
Low
0.005 Low
EPSS
Percentile
75.8%
Thomas Hauck Jana Server 2.x through 2.2.1, and 1.4.6 and earlier, generates different responses for valid and invalid usernames, which allows remote attackers to identify valid users on the server.