What’s Vulnerable › Vulnerabilities

CVE-2011-4896

• Severity: medium (CVSS 4.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2011-12-23 · updated 2026-06-16
• Weakness: CWE-200

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.

Affected products

• Tor: through 0.2.2.23; 0.0.2, 0.0.3, 0.0.4, 0.0.5, 0.0.6, 0.0.6.1 (+219)

References

• https://blog.torproject.org/blog/tor-02224-alpha-out
• https://blog.torproject.org/blog/tor-02224-alpha-out

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