Mission and Overview
NVD is the U.S. government repository of standards based vulnerability management data. This data enables automation of vulnerability management, security measurement, and compliance (e.g. FISMA).
Resource Status
NVD contains:

Last updated: 5/29/2016 12:39:58 PM

CVE Publication rate: 20.13

Email List

NVD provides four mailing lists to the public. For information and subscription instructions please visit NVD Mailing Lists

Workload Index
Vulnerability Workload Index: 12.46
About Us
NVD is a product of the NIST Computer Security Division and is sponsored by the Department of Homeland Security's National Cyber Security Division. It supports the U.S. government multi-agency (OSD, DHS, NSA, DISA, and NIST) Information Security Automation Program. It is the U.S. government content repository for the Security Content Automation Protocol (SCAP).

National Cyber Awareness System

Vulnerability Summary for CVE-2012-3955

Original release date: 09/14/2012
Last revised: 08/21/2013


ISC DHCP 4.1.x before 4.1-ESV-R7 and 4.2.x before 4.2.4-P2 allows remote attackers to cause a denial of service (daemon crash) in opportunistic circumstances by establishing an IPv6 lease in an environment where the lease expiration time is later reduced.


CVSS Severity (version 2.0):
CVSS v2 Base Score: 7.1 HIGH
Impact Subscore: 6.9
Exploitability Subscore: 8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type: Allows disruption of service

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to nvd@nist.gov.

External Source: FEDORA
Name: FEDORA-2012-13910
External Source: CONFIRM
Name: https://kb.isc.org/article/AA-00779
Type: Advisory
External Source: UBUNTU
Name: USN-1571-1
External Source: DEBIAN
Name: DSA-2551
External Source: FEDORA
Name: FEDORA-2012-14076
External Source: SUSE
Name: openSUSE-SU-2012:1254
External Source: SECTRACK
Name: 1027528
External Source: REDHAT
Name: RHSA-2013:0504
External Source: SUSE
Name: openSUSE-SU-2012:1234
External Source: MANDRIVA
Name: MDVSA-2012:153
External Source: GENTOO
Name: GLSA-201301-06
External Source: FEDORA
Name: FEDORA-2012-14149
External Source: SUSE
Name: openSUSE-SU-2012:1252
External Source: CONFIRM
Name: https://blogs.oracle.com/sunsecurity/entry/cve_2012_3955_denial_of
External Source: BID
Name: 55530

Technical Details

Vulnerability Type (View All)