Is CVE-2011-4093 being actively exploited?

CVE-2011-4093 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2011-4093?

CVE-2011-4093 has a CVSS 2.0 base score of 5.8 (MEDIUM).

CVE-2011-4093

MEDIUM · CVSS 5.8EPSS 1.8%EU EUVD

Integer overflow in inc/server.hpp in libnet6 (aka net6) before 1.3.14 might allow remote attackers to hijack connections and gain privileges as other users by making a large number of connections until the overflow occurs and an ID of another user is provided.

Key facts

CVSS score: 5.8 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:M/Au:N/C:P/I:P/A:N
Weakness (CWE): CWE-190
EPSS score: 1.8% (78th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2011-4044)
Published: February 10, 2014
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2011-4044 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

armin burgmeier / net6
armin burgmeier / net6
armin burgmeier / net6
armin burgmeier / net6
armin burgmeier / net6
armin burgmeier / net6
armin burgmeier / net6
armin burgmeier / net6
armin burgmeier / net6
armin burgmeier / net6
armin burgmeier / net6
armin burgmeier / net6
armin burgmeier / net6
opensuse / opensuse
opensuse project / opensuse
oracle / solaris

References

http://git.0x539.de/?p=net6.git%3Ba=commitdiff%3Bh=ac61d7fb42a1f977fb527e024bede319c4a9e169%3Bhp=08c8e2261604c6fcbbaf62f9ae9d13f7015fcb9a
http://lists.opensuse.org/opensuse-updates/2012-01/msg00044.html(Third Party Advisory)
http://lists.opensuse.org/opensuse-updates/2012-01/msg00054.html(Third Party Advisory)
http://www.openwall.com/lists/oss-security/2011/10/31/1(Third Party Advisory)
http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html(Third Party Advisory)
https://bugzilla.novell.com/show_bug.cgi?id=727710(Issue Tracking, Third Party Advisory, VDB Entry)
https://bugzilla.redhat.com/show_bug.cgi?id=750631(Issue Tracking, Third Party Advisory, VDB Entry)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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