Is CVE-2005-3751 in the CISA KEV catalog?

No. CVE-2005-3751 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2005-3751?

CVE-2005-3751 has a CVSS v2 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2005-3751?

CVE-2005-3751 has an EPSS score of 1.47% (71th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2005-3751?

Upgrade pound on debian 11 to 1.9.4-1 or later.

CVE & CISA-KEV Catalog

CVE-2005-3751

MEDIUMEPSS 71th pctl

4.3

CVSS v2

NVD

Description

HTTP request smuggling vulnerability in Pound before 1.9.4 allows remote attackers to poison web caches, bypass web application firewall protection, and conduct XSS attacks via an HTTP request with conflicting Content-length and Transfer-encoding headers.

How to fix

Remediation Available

poundDebian

Fixed in:1.9.4-1CVE-2005-3751

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

1.47%probability of exploitation in 30 days

71stpercentile

Elevated risk: more likely to be exploited than 71% of all known CVEs.

References

Vendor Advisory4

Other references4

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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.