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CVE-2004-0189

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…

High7.5EPSS 13.8%
Published
Updated
Reserved
Assigned by
mitre

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.

Scores

CVSS scores of CVE-2004-0189, by who scored it
Scored byCVSSScoreVector
NVDNVD · Modified2.0High7.5AV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS (exploitation in 30 days)
13.8% · top 3.5% of all CVEs (2 Nov 2026)

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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.

Weakness

  • n/a

Affected products

  • n/a

    • affected n/a

References (13)

Sources

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Record last updated .