CVE-2016-1409

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.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 2.22% Top 20%
Vendor Advisory cisco.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160525-ipv6 vendor advisory
http://www.securitytracker.com/id/1035964 third party advisory vdb entry
http://www.securityfocus.com/bid/90872 third party advisory vdb entry
http://www.securitytracker.com/id/1035965 third party advisory vdb entry
http://www.securitytracker.com/id/1035962 third party advisory vdb entry
http://www.securitytracker.com/id/1036651 vdb entry
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20160824-01-ipv6-en third party advisory
http://www.securitytracker.com/id/1035963 third party advisory vdb entry

Frequently Asked Questions

What is the severity of CVE-2016-1409?
CVE-2016-1409 has been scored as a high severity vulnerability.
How to fix CVE-2016-1409?
To fix CVE-2016-1409, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2016-1409 being actively exploited in the wild?
It is possible that CVE-2016-1409 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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