CVE-2007-4174: Tor

Medium severity, CVSS 5.8. EPSS: 6.2% chance of exploitation in the next 30 days.

Tor before 0.1.2.16, when ControlPort is enabled, does not properly restrict commands to localhost port 9051, which allows remote attackers to modify the torrc configuration file, compromise anonymity, and have other unspecified impact via HTTP POST data containing commands without valid authentication, as demonstrated by an HTML form (1) hosted on a web site or (2) injected by a Tor exit node.

Affected products

• Tor Tor: up to and including 0.1.2.15; version 0.1.2.1 only; version 0.1.2.2 only; version 0.1.2.3 only; version 0.1.2.4 only; version 0.1.2.5 only; …

Published 2007-08-07. Last modified 2026-06-16.