CVE-2016-1409

high

Description

The Neighbor Discovery (ND) protocol implementation in the IPv6 stack in Cisco IOS XE 2.1 through 3.17S, IOS XR 2.0.0 through 5.3.2, and NX-OS allows remote attackers to cause a denial of service (packet-processing outage) via crafted ND messages, aka Bug ID CSCuz66542, as exploited in the wild in May 2016.

References

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160525-ipv6

http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20160824-01-ipv6-en

http://www.securityfocus.com/bid/90872

http://www.securitytracker.com/id/1035962

http://www.securitytracker.com/id/1035963

http://www.securitytracker.com/id/1035964

http://www.securitytracker.com/id/1035965

http://www.securitytracker.com/id/1036651

Details

Source: MITRE

Published: 2016-05-29

Updated: 2017-08-16

Type: CWE-20

Risk Information

CVSS v2

Base Score: 5

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

Impact Score: 2.9

Exploitability Score: 10

Severity: MEDIUM

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Impact Score: 3.6

Exploitability Score: 3.9

Severity: HIGH