CVE-2009-3287

N/A Unknown

Published: September 22, 2009 Modified: April 23, 2026

Description

lib/thin/connection.rb in Thin web server before 1.2.4 relies on the X-Forwarded-For header to determine the IP address of the client, which allows remote attackers to spoof the IP address and hide activities via a modified X-Forwarded-For header.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

http://github.com/macournoyer/thin/blob/master/CHANGELOG

Source: cve@mitre.org

http://github.com/macournoyer/thin/commit/7bd027914c5ffd36bb408ef47dc749de3b6e063a

Source: cve@mitre.org

Patch

http://www.openwall.com/lists/oss-security/2009/09/12/1

Source: cve@mitre.org

http://github.com/macournoyer/thin/blob/master/CHANGELOG

Source: af854a3a-2127-422b-91ae-364da2661108

http://github.com/macournoyer/thin/commit/7bd027914c5ffd36bb408ef47dc749de3b6e063a

Source: af854a3a-2127-422b-91ae-364da2661108

Patch

http://www.openwall.com/lists/oss-security/2009/09/12/1

Source: af854a3a-2127-422b-91ae-364da2661108

6 reference(s) from NVD

Quick Stats

CVSS v3 Score

N/A / 10.0

EPSS (Exploit Probability)

0.5%

65th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-20

Affected Vendors

macournoyer

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