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Cisco IOS XE Software IKEv1 Information Disclosure 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:P/I:N/A:N

Solution Type

Solution Type

Vendor Patch

Created

Created

6 years ago

Modified

Modified

3 years ago

Summary

A vulnerability in IKEv1 packet processing code in Cisco IOS XE Software could allow an unauthenticated, remote attacker to retrieve memory contents, which could lead to the disclosure of confidential information.

Insight

Insight

The vulnerability is due to insufficient condition checks in the part of the code that handles IKEv1 security negotiation requests. An attacker could exploit this vulnerability by sending a crafted IKEv1 packet to an affected device configured to accept IKEv1 security negotiation requests.

Detection Method

Detection Method

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

Solution

Solution

The vendor has released updates, please see the referenced vendor advisory for more information on the fixed versions.

Common Vulnerabilities and Exposures (CVE)