Home/CVE/Tor before 0.2.2.34, when configured as a bridge, sets up circuits through a process different from the process used by
CVE

CVE-2011-4895

Tor before 0.2.2.34, when configured as a bridge, sets up circuits through a process different from the process used by

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.

MEDIUM · CVSS 4.3 EPSS 0.0025
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-200Exposure of Sensitive Information to an Unauthorized Actor
▤

Affected Products & Versions

2
tor<= 0.2.2.33
torall versions
▣

Scoring & Timeline

4.3
MEDIUM · CVSS v2 (legacy) · cve@mitre.org
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:M/Au:N/C:P/I:N/A:N
Published to NVD23 Dec 2011 · 03:59 AM
⚑

Vendor Advisories

1
suse-csafopenSUSE-SU-2024:10423-1
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://blog.torproject.org/blog/tor-02234-released-security-patchesPatchVendor Advisory
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