CVE-2001-1152: Baltimore Technologies Websweeper

High severity, CVSS 7.5. EPSS: 2.4% chance of exploitation in the next 30 days.

Baltimore Technologies WEBsweeper 4.02, when used to manage URL blacklists, allows remote attackers to bypass blacklist restrictions and connect to unauthorized web servers by modifying the requested URL, including (1) a // (double slash), (2) a /SUBDIR/.. where the desired file is in the parentdir, (3) a /./, or (4) URL-encoded characters.

Affected products

• Baltimore Technologies Websweeper: version 4.02 only

Published 2001-09-05. Last modified 2026-06-16.