CyberRota Analysis
This is a high severity vulnerability with a CVSS score of 7.5. Its EPSS score suggests a 13.8% probability of exploitation in the next 30 days. It may be remotely exploitable.
CVE
CVE-2004-0189
Severity
HIGH
CVSS
7.5
EPSS
13.81%
Original NVD Description
The "%xx" URL decoding function in Squid 2.5STABLE4 and earlier allows remote attackers to bypass url_regex ACLs via a URL with a NULL ("%00") character, which causes Squid to use only a portion of the requested URL when comparing it against the access control lists.