CVE-2016-9219
moderate-risk
Published 2017-04-06
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.
Do I need to act?
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0.41% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10
High
NETWORK
/ LOW complexity
Affected Products (2)
Wireless Lan Controller Firmware
Affected Vendors
References (6)
Third Party Advisory
http://www.securityfocus.com/bid/97423
Third Party Advisory
http://www.securityfocus.com/bid/97423
35
/ 100
moderate-risk
Severity
26/34 · High
Exploitability
2/34 · Minimal
Exposure
7/34 · Low