LDAP anonymous access to directory

ldap-nullbind (1424) The risk level is classified as MediumMedium Risk


The NULL bind entry allows a user to access the Lightweight Directory Access Protocol (LDAP) directory anonymously. An attacker could take advantage of the NULL bind entry to anonymously view files on the LDAP director.




This check is for informational purposes only.

Administrators are recommended to disable the NULL bind entry in the LDAP configuration file or control the entry with Access Control Lists (ACLs).


Platforms Affected:

  • Apple Mac OS
  • Cisco IOS
  • Compaq Tru64
  • Data General DG/UX
  • HP HP-UX
  • IBM OS2
  • Linux Kernel
  • Microsoft Windows Vista
  • Microsoft Windows 2000
  • Microsoft Windows 2003 Server
  • Microsoft Windows 7
  • Microsoft Windows 8
  • Microsoft Windows 95
  • Microsoft Windows 98
  • Microsoft Windows 98SE
  • Microsoft Windows Me
  • Microsoft Windows NT 4.0
  • Microsoft Windows Server 2008 R2
  • Microsoft Windows Server 2008
  • Microsoft Windows Server 2012
  • Microsoft Windows XP
  • Novell NetWare
  • SCO SCO Unix
  • Sun Solaris
  • Wind River BSDOS


Not available

The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall the author/distributor (IBM Internet Security Systems X-Force) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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