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CVE-2007-6203

MediumPublished

Apache HTTP Server 2.0.x and 2.2.x does not sanitize the HTTP Method specifier header from an HTTP request when it is reflected back in a "413 Request...

Published: Dec 3, 2007
Updated: Aug 7, 2024
Assigning CNA: mitre
Evidence observed: Nov 30, 2007

Primary CVSS

4.3/ 10Medium

nvd · CVSS 2.0

AV:N/AC:M/Au:N/C:N/I:P/A:N

EPSS probability estimate

80.7%

High · next 30 days

Percentile: 99.6%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

Apache HTTP Server 2.0.x and 2.2.x does not sanitize the HTTP Method specifier header from an HTTP request when it is reflected back in a "413 Request Entity Too Large" error message, which might allow cross-site scripting (XSS) style attacks using web client components that can send arbitrary headers in requests, as demonstrated via an HTTP request containing an invalid Content-length value, a similar issue to CVE-2006-3918.

Sources

Apache 2.2.4 - 413 Error HTTP Request Method Cross-Site ScriptingExploit
Adrian Pastor · unix · Nov 30, 2007

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