Improper input validation in Cisco Wireless Lan Controller

CVE-2016-9219

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. This vulnerability affects Cisco Wireless LAN Controller (WLC) running software version 8.2.121.0 or 8.3.102.0. Cisco Bug IDs: CSCva98592.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.030 (86.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2016-9219?
CVE-2016-9219 is a high-severity vulnerability in Cisco Wireless Lan Controller, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2017-04-06.
How severe is CVE-2016-9219?
High severity. CVSS v3 base score is 7.5 out of 10.