Is CVE-2005-0174 in the CISA KEV catalog?

No. CVE-2005-0174 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2005-0174?

CVE-2005-0174 has a CVSS v2 base score of 5.0 (MEDIUM).

What is the EPSS score for CVE-2005-0174?

CVE-2005-0174 has an EPSS score of 50.78% (99th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2005-0174

MEDIUMEPSS 99th pctl

5.0

CVSS v2

NVD

Description

Squid 2.5 up to 2.5.STABLE7 allows remote attackers to poison the cache or conduct certain attacks via headers that do not follow the HTTP specification, including (1) multiple Content-Length headers, (2) carriage return (CR) characters that are not part of a CRLF pair, and (3) header names containing whitespace characters.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

50.78%probability of exploitation in 30 days

99thpercentile

Very high risk: more likely to be exploited than 99% of all known CVEs.

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-16.