Cisco Wireless LAN Controller (WLC) devices allow remote attackers to cause a denial of service (NULL pointer dereference and device restart) via a zero value in Cisco Discovery Protocol packet data that is not properly handled during SNMP polling, aka Bug ID CSCuo12321.
"CWE-476: NULL Pointer Dereference"
CVSS Severity (version 2.0):
Impact Subscore: 6.9
Exploitability Subscore: 5.5
CVSS Version 2 Metrics:
Access Vector: Local network exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type: Allows disruption of service
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20140606 Cisco Wireless LAN Controller Cisco Discovery Protocol Denial of Service Vulnerability
Vulnerable software and versions