Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2007-6203

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.

Security Impact Summary

CVE-2007-6203 is a security vulnerability that . Impacting 1 product from apache organizations running these solutions should prioritize assessment and patching.

Historical Context

Originally identified in 2007, this vulnerability predates many modern security frameworks and practices. The vulnerability landscape of that era was characterized by different threat models and less mature defense mechanisms compared to contemporary standards.

Published

2007-12-03T22:46:00.000

Last Modified

2026-04-23T00:35:47.467

Status

Modified

Source

[email protected]

Severity

CVSSv2: 4.3 (MEDIUM)

CVSSv2 Vector

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

  • Access Vector: NETWORK
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: PARTIAL
  • Availability Impact: NONE
Exploitability Score

8.6

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-79
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application apache http_server 2.0.46 Yes
Application apache http_server 2.0.47 Yes
Application apache http_server 2.0.48 Yes
Application apache http_server 2.0.49 Yes
Application apache http_server 2.0.50 Yes
Application apache http_server 2.0.51 Yes
Application apache http_server 2.0.52 Yes
Application apache http_server 2.0.53 Yes
Application apache http_server 2.0.54 Yes
Application apache http_server 2.0.55 Yes
Application apache http_server 2.0.57 Yes
Application apache http_server 2.0.58 Yes
Application apache http_server 2.0.59 Yes
Application apache http_server 2.1.1 Yes
Application apache http_server 2.1.2 Yes
Application apache http_server 2.1.3 Yes
Application apache http_server 2.1.4 Yes
Application apache http_server 2.1.5 Yes
Application apache http_server 2.1.6 Yes
Application apache http_server 2.1.7 Yes
Application apache http_server 2.1.8 Yes
Application apache http_server 2.2.0 Yes
Application apache http_server 2.2.2 Yes
Application apache http_server 2.2.3 Yes
Application apache http_server 2.2.4 Yes
References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For apache's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.