Is CVE-2011-4896 actively exploited?

No active exploitation of CVE-2011-4896 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2011-4896 be exploited remotely?

Yes. CVE-2011-4896 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2011-4896?

CVE-2011-4896 has a CVSS score of 4.3 (MEDIUM).

HOME VULNERABILITIESCVE-2011-4896

MEDIUM

CVE-2011-4896

CWE-200Published: December 23, 2011· Updated: Jun 16, 2026

4.3

CVSS v3.1

Official Description

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.

NVD Source

Technical Analysis

CVE-2011-4896 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

From a weakness classification perspective (CWE-200): Information exposure vulnerabilities leak sensitive data to unauthorized actors.