Directory traversal vulnerability in the Web Administration tool in IBM Tivoli Directory Server (ITDS) before 6.1.0.74-ISS-ISDS-IF0074, 6.2.x before 6.2.0.50-ISS-ISDS-IF0050, and 6.3.x before 6.3.0.43-ISS-ISDS-IF0043 and IBM Security Directory Server (ISDS) before 6.3.1.18-ISS-ISDS-IF0018 and 6.4.x before 6.4.0.9-ISS-ISDS-IF0009 allows remote attackers to read arbitrary files via a .. (dot dot) in a URL.