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Vulnerability Score 5.0 5.0
CVE Id CVE-2001-1556
Last Modified 05 Sep 2008 04:26:51
Published 31 Dec 2001 12:00:00
Confidentiality Impact NONE NONE
Integrity Impact PARTIAL PARTIAL
Availability Impact NONE NONE
Access Vector NETWORK
Access Complexity LOW
Authentication NONE



The log files in Apache web server contain information directly supplied by clients and does not filter or quote control characters, which could allow remote attackers to hide HTTP requests and spoof source IP addresses when logs are viewed with UNIX programs such as cat, tail, and grep.

Vulnerable Systems


  • Apache Http Server


XF - apache-hidden-http-request(7363)


BUGTRAQ - 20011024 Hidden requests to Apache

Last Updated: 27 May 2016 10:36:42