CVE-2009-3287

HighCVSS 7.5/10Last modified Jun 16, 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.

Metrics

CVSS 2.0 7.5/10AV:N/AC:L/Au:N/C:P/I:P/A:P

Weakness enumeration

CWE-20

Affected software

No affected versions have been published.

Timeline

Published: Sep 22, 2009
Last modified: Jun 16, 2026
NVD status: Modified

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