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Cisco Wireless LAN Controller wIPS Denial of Service Vulnerability

Information

Severity

Severity

Medium

Family

Family

CISCO

CVSSv2 Base

CVSSv2 Base

6.1

CVSSv2 Vector

CVSSv2 Vector

AV:A/AC:L/Au:N/C:N/I:N/A:C

Solution Type

Solution Type

Vendor Patch

Created

Created

6 years ago

Modified

Modified

3 years ago

Summary

A vulnerability in the Cisco Adaptive Wireless Intrusion Prevention System (wIPS) implementation in the Cisco Wireless LAN Controller (WLC) could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition because the wIPS process on the WLC unexpectedly restarts.

Insight

Insight

The vulnerability is due to lack of proper input validation of wIPS protocol packets. An attacker could exploit this vulnerability by sending a malformed wIPS packet to the affected device.

Affected Software

Affected Software

All versions of Cisco Wireless LAN Controller prior to the first fixed versions of 8.0.140.0, 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.

Common Vulnerabilities and Exposures (CVE)