CVE-2011-4896
Tor before 0.2.2.24-alpha continues to use a reachable bridge that was previously configured but...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2011-4896- CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:P/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2011-4896- Updated
- 2026-11-02
EUVDEUVD-2011-4813 No score
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.
- Record
EUVD-2011-4813- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-89m8-4ff5-r928 No score
Tor before 0.2.2.24-alpha continues to use a reachable bridge that was previously configured but...
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.
- Record
GHSA-89m8-4ff5-r928- Weakness
- CWE-200
- Updated
- 2026-11-02
OSV No score
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.
- Record
CVE-2011-4896- Updated
- 2026-11-02
OSVDEBIAN-CVE-2011-4896 No score
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.
- Record
DEBIAN-CVE-2011-4896- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:10423-1 No score
tor-0.2.8.11-1.1 on GA media
These are all security issues fixed in the tor-0.2.8.11-1.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:10423-1- Updated
- 2026-11-02
Affected products
Affected packages
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2011-4896 is a medium vulnerability (CVSS 4.3) in Tor, published December 23, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.50%, the 74th percentile. Fixed in tor 0.2.2.27-beta-1.
References
blog.torproject.org/blog/tor-02224-alpha-out
nvd.nist.gov/vuln/detail/CVE-2011-4896
github.com/advisories/GHSA-89m8-4ff5-r928
security-tracker.debian.org/tracker/CVE-2011-4896
suse.com/security/cve/CVE-2011-0427
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