Description
Microsoft Windows Server 2003, when time restrictions are in effect for user accounts, generates different error messages for failed login attempts with a valid user name than for those with an invalid user name, which allows context-dependent attackers to determine valid Active Directory account names.
References (4)
Core 4
Core References
Various Sources x_refsource_misc
http://www.notsosecure.com/folder2/2007/05/27/logon-time-restrictions-in-a-domain-in-windows-server-2003-allows-username-enumeration/
Vendor Advisory third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/25457
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/24248
Third Party Advisory, VDB Entry vdb-entry
x_refsource_osvdb
http://osvdb.org/36138
Scores
EPSS
0.0164
EPSS Percentile
74.1%
Details
Status
published
Products (3)
microsoft/windows_2003_server
gold
microsoft/windows_2003_server
sp1
microsoft/windows_2003_server
sp2
Published
Jun 04, 2007
Tracked Since
Feb 18, 2026