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CVE-2011-4091
The libobby server in inc/server.hpp in libnet6 (aka net6) before 1.3.14 does not perform authentication before checking the user name,…
Medium5.0EPSS 2.7%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
The libobby server in inc/server.hpp in libnet6 (aka net6) before 1.3.14 does not perform authentication before checking the user name, which allows remote attackers to obtain sensitive information such as server-usage patterns by a particular user and color preferences.
Timeline
ID reserved
By redhat
- 2 years later
· 2 years later
Published
- 10 years later
· 10 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
- EPSS (exploitation in 30 days)
- 2.7% · top 14% of all CVEs (8 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Weakness
Affected products
n/a
- affected n/a
References (7)
- http://git.0x539.de/?p=net6.git%3Ba=commitdiff%3Bh=84afca022f063f89bfcd4bb32b1ee911f555abf1%3Bhp=ac61d7fb42a1f977fb527e024bede319c4a9e169 (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- openSUSE-SU-2012:0008 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- openSUSE-SU-2012:0040 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- https://bugzilla.novell.com/show_bug.cgi?id=727708 (opens in a new tab)x_refsource_CONFIRMx_transferred
- [oss-security] 20111031 Re: CVE request: 3 flaws in libobby and libnet6 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=750632 (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2011-4091)Record last updated .