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
EPSS
Percentile
80.7%
OpenSSH 4.6 and earlier, when ChallengeResponseAuthentication is enabled,
allows remote attackers to determine the existence of user accounts by
attempting to authenticate via S/KEY, which displays a different response
if the user account exists, a similar issue to CVE-2001-1483.