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Cisco Wireless LAN Controller TSM SNMP Denial of Service Vulnerability
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
A vulnerability in the traffic stream metrics (TSM) implemented with the Inter-Access Point Protocol (IAPP) of the Cisco Wireless LAN Controller (WLC) could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition because the process on the WLC unexpectedly restarts.
Insight
Insight
The occurs when an SNMP request for TSM information is received. An attacker could exploit this vulnerability by sending crafted IAPP packets followed by an SNMP request for TSM information to the targeted device.
Affected Software
Affected Software
All versions of Cisco Wireless LAN Controller prior to the first fixed versions of 8.0.140, 8.2.121.0, and 8.3.102.0.
Detection Method
Detection Method
Checks if a vulnerable version is present on the target host.
Solution
Solution
Cisco has released software updates that address this vulnerability.