CVE-2011-4897
Tor before 0.2.2.25-alpha, when configured as a relay without the Nickname configuration option,...
Tor before 0.2.2.25-alpha, when configured as a relay without the Nickname configuration option, uses the local hostname as the Nickname value, which allows remote attackers to obtain potentially sensitive information by reading this value.
Exploit likelihood
What each source reports
NVD Score used
Tor before 0.2.2.25-alpha, when configured as a relay without the Nickname configuration option, uses the local hostname as the Nickname value, which allows remote attackers to obtain potentially sensitive information by reading this value.
- Record
CVE-2011-4897- 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 0.2.2.25-alpha, when configured as a relay without the Nickname configuration option, uses the local hostname as the Nickname value, which allows remote attackers to obtain potentially sensitive information by reading this value.
- Record
CVE-2011-4897- Updated
- 2026-11-02
EUVDEUVD-2011-4814 No score
Tor before 0.2.2.25-alpha, when configured as a relay without the Nickname configuration option, uses the local hostname as the Nickname value, which allows remote attackers to obtain potentially sensitive information by reading this value.
- Record
EUVD-2011-4814- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-7h3x-gchg-chhg No score
Tor before 0.2.2.25-alpha, when configured as a relay without the Nickname configuration option,...
Tor before 0.2.2.25-alpha, when configured as a relay without the Nickname configuration option, uses the local hostname as the Nickname value, which allows remote attackers to obtain potentially sensitive information by reading this value.
- Record
GHSA-7h3x-gchg-chhg- Weakness
- CWE-200
- Updated
- 2026-11-02
OSV No score
Tor before 0.2.2.25-alpha, when configured as a relay without the Nickname configuration option, uses the local hostname as the Nickname value, which allows remote attackers to obtain potentially sensitive information by reading this value.
- Record
CVE-2011-4897- Updated
- 2026-11-02
OSVDEBIAN-CVE-2011-4897 No score
Tor before 0.2.2.25-alpha, when configured as a relay without the Nickname configuration option, uses the local hostname as the Nickname value, which allows remote attackers to obtain potentially sensitive information by reading this value.
- Record
DEBIAN-CVE-2011-4897- 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-2011-4897 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 1.53%, the 74th percentile. Fixed in tor 0.2.2.27-beta-1.
References
blog.torproject.org/blog/tor-02225-alpha-out
nvd.nist.gov/vuln/detail/CVE-2011-4897
github.com/advisories/GHSA-7h3x-gchg-chhg
security-tracker.debian.org/tracker/CVE-2011-4897
suse.com/security/cve/CVE-2011-0427
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