CVE-2008-5112
The LDAP server in Active Directory in Microsoft Windows 2000 SP4 and Server 2003 SP1 and SP2...
The LDAP server in Active Directory in Microsoft Windows 2000 SP4 and Server 2003 SP1 and SP2 responds differently to a failed bind attempt depending on whether the user account exists and is permitted to login, which allows remote attackers to enumerate valid usernames via a series of LDAP bind requests, as demonstrated by ldapuserenum.
Exploit likelihood
What each source reports
NVD Score used
The LDAP server in Active Directory in Microsoft Windows 2000 SP4 and Server 2003 SP1 and SP2 responds differently to a failed bind attempt depending on whether the user account exists and is permitted to login, which allows remote attackers to enumerate valid usernames via a series of LDAP bind requests, as demonstrated by ldapuserenum.
- Record
CVE-2008-5112- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
CVE List No score
The LDAP server in Active Directory in Microsoft Windows 2000 SP4 and Server 2003 SP1 and SP2 responds differently to a failed bind attempt depending on whether the user account exists and is permitted to login, which allows remote attackers to enumerate valid usernames via a series of LDAP bind requests, as demonstrated by ldapuserenum.
- Record
CVE-2008-5112- Updated
- 2026-11-02
EUVDEUVD-2008-5091 No score
The LDAP server in Active Directory in Microsoft Windows 2000 SP4 and Server 2003 SP1 and SP2 responds differently to a failed bind attempt depending on whether the user account exists and is permitted to login, which allows remote attackers to enumerate valid usernames via a series of LDAP bind requests, as demonstrated by ldapuserenum.
- Record
EUVD-2008-5091- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-pcvf-vh7g-8j8v No score
The LDAP server in Active Directory in Microsoft Windows 2000 SP4 and Server 2003 SP1 and SP2...
The LDAP server in Active Directory in Microsoft Windows 2000 SP4 and Server 2003 SP1 and SP2 responds differently to a failed bind attempt depending on whether the user account exists and is permitted to login, which allows remote attackers to enumerate valid usernames via a series of LDAP bind requests, as demonstrated by ldapuserenum.
- Record
GHSA-pcvf-vh7g-8j8v- Weakness
- CWE-200
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Microsoft Active Directory LDAP Server - 'Username' Enumeration | 2008-11-14 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2008-5112 is a medium vulnerability (CVSS 5.0) in Microsoft Windows, published November 17, 2008. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 17.4%, the 97th percentile. No source names a fixed version.