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Cisco IOS IKEv2 Denial of Service Vulnerability

Information

Severity

Severity

Medium

Family

Family

CISCO

CVSSv2 Base

CVSSv2 Base

6.3

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:M/Au:S/C:N/I:N/A:C

Solution Type

Solution Type

Vendor Patch

Created

Created

5 years ago

Modified

Modified

3 years ago

Summary

A vulnerability in the Internet Key Exchange version 2 (IKEv2) code of Cisco IOS could allow an unauthenticated, remote attacker to cause a reload of the affected device.

Insight

Insight

The vulnerability is due to improper handling of crafted IKEv2 packets. The vulnerability applies only to IKEv2 devices acting as clients or IKEv2 initiators. An attacker could exploit this vulnerability by sending crafted packets to the affected devices. An attacker, however, would need to be able to force the affected device to connect to a rogue IKEv2 server under its control.

Detection Method

Detection Method

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

Solution

Solution

See the referenced vendor advisory for a solution.

Common Vulnerabilities and Exposures (CVE)