CVE-2011-4896: Tor

Medium severity, CVSS 4.3. EPSS: 1.5% chance of exploitation in the next 30 days.

Tor before 0.2.2.24-alpha continues to use a reachable bridge that was previously configured but is not currently configured, which might allow remote attackers to obtain sensitive information about clients in opportunistic circumstances by monitoring network traffic to the bridge port.

Affected products

• Tor Tor: up to and including 0.2.2.23; version 0.0.2 only; version 0.0.3 only; version 0.0.4 only; version 0.0.5 only; version 0.0.6 only; …

Published 2011-12-23. Last modified 2026-06-16.