From securitymetrics.com: The remote host appears to be running a version of Apache 2.x which is older than 2.0.46. This version is vulnerable to various flaws : There is a denial of service vulnerability which may allow an attacker to disable basic authentication on this host. There is a denial of service vulnerability in the mod_dav module which may allow an attacker to crash this service remotely. Solution: Upgrade to version 2.0.46. See also: http://www.apache.org/dist/httpd/CHANGES _2.0. Risk Factor: Medium CVE: CAN-2003-0245, CAN-2003-0189 BID: 7723, 7725 This is related to the version of Apache installed with Urchin 5.7.03 - the current release. Anyone have any experience in upgrading the Apache2 installation within Urchin?