VULNERABILITY INTELLIGENCE
CVE-2011-4895
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, sets up circuits through a process different from the process used by a client, which makes it easier for remote attackers to enumerate bridges by observing circuit building.
Weakness classification
- CWE-200: Exposure of Sensitive Information to an Unauthorized Actor
Primary references
- cve@mitre.org — Patch, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Patch, Vendor Advisory