CVE-2007-2999

Severity: low (CVSS 1.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2007-06-04 · updated 2026-06-16

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.

Affected products

Microsoft Windows 2003 Server: gold, sp1, sp2

References

http://osvdb.org/36138
http://secunia.com/advisories/25457
http://www.notsosecure.com/folder2/2007/05/27/logon-time-restrictions-in-a-domain-in-windows-server-2003-allows-username-enumeration/
http://www.securityfocus.com/bid/24248
http://osvdb.org/36138
http://secunia.com/advisories/25457
http://www.notsosecure.com/folder2/2007/05/27/logon-time-restrictions-in-a-domain-in-windows-server-2003-allows-username-enumeration/
http://www.securityfocus.com/bid/24248

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