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Cisco Wireless LAN Controller IPv6 UDP Denial of Service Vulnerability

cisco-sa-20170405-wlc2 · High · Published · Updated

A vulnerability with IPv6 UDP ingress packet processing in Cisco Wireless LAN Controller (WLC) Software could allow an unauthenticated, remote attacker to cause an unexpected reload of the device. The vulnerability is due to incomplete IPv6 UDP header validation. An attacker could exploit this vulnerability by sending a crafted IPv6 UDP packet to a specific port on the targeted device. An exploit could allow the attacker to impact the availability of the device as it could unexpectedly reload. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170405-wlc2

Cisco advisory ·CSAF JSON

Workarounds

There are no workarounds that address this vulnerability.

CVEsCVE-2016-9219
Cisco Bug IDsCSCva98592
CVSS ScoreBase 8.6
Base 8.6 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H/E:X/RL:X/RC:X
Product Names From Source
Cisco Wireless LAN Controller (WLC) 8.3.102.0, Cisco Wireless LAN Controller (WLC) 8.2.121.0, Cisco Wireless LAN Controller (WLC)

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