VULNERABILITY INTELLIGENCE

CVE-2011-4894

CVSS score4.3 MEDIUM
EPSS probability1.53%
CISA KEVNot currently listed
Published2011-12-23
Last modified2026-06-16
CVSS vectorAV:N/AC:M/Au:N/C:P/I:N/A:N

Description

Tor before 0.2.2.34, when configured as a bridge, uses direct DirPort access instead of a Tor TLS connection for a directory fetch, which makes it easier for remote attackers to enumerate bridges by observing DirPort connections.

Weakness classification

  • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor

Primary references