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Cisco Wireless LAN Controller Radius Packet of Disconnect Vulnerability

Information

Severity

Severity

Medium

Family

Family

CISCO

CVSSv2 Base

CVSSv2 Base

5.0

CVSSv2 Vector

CVSSv2 Vector

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

Solution Type

Solution Type

Vendor Patch

Created

Created

6 years ago

Modified

Modified

3 years ago

Summary

Cisco Wireless LAN Controller contains a vulnerability that could allow an unauthenticated, remote attacker to cause a denial of service condition.

Insight

Insight

The vulnerability is due to a lack of proper input validation of the RADIUS Disconnect-Request packet. An attacker could exploit this vulnerability by sending crafted RADIUS UDP Disconnect-Request packets to the affected device. An exploit could allow the attacker to cause a partial DoS condition due to the disconnect of random user sessions.

Affected Software

Affected Software

Cisco Wireless LAN Controller Software 7.0(250.0) and 7.0(252.0)

Detection Method

Detection Method

Checks if a vulnerable version is present on the target host.

Solution

Solution

See vendor advisory for a solution

Common Vulnerabilities and Exposures (CVE)