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Published: 20/05/2014 Updated: 07/09/2016

CVSS v2 Base Score: 5 | Impact Score: 2.9 | Exploitability Score: 10

VMScore: 445

Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

The DHCPv6 implementation in Cisco IOS XR allows remote malicious users to cause a denial of service (device crash) via a malformed packet, aka Bug IDs CSCum85558, CSCum20949, CSCul61849, and CSCul71149.

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cisco ios xr

A vulnerability in the DHCP version 6 (DHCPv6) code of Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause the DHCPv6 process on an affected device to crash The vulnerability is due to incorrect handling of malformed DHCPv6 packets An attacker could exploit this vulnerability by sending a malformed DHCPv6 packet to an ...

CWE-20 http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-3271 http://www.securitytracker.com/id/1030259 https://nvd.nist.gov http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/Cisco-SA-20140520-CVE-2014-3271

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CVE-2014-3271

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