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Cisco IOS XE Software IPv6 Neighbor Discovery 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 IPv6 neighbor discovery (ND) handling of Cisco IOS XE Software on ASR platforms could allow an unauthenticated, adjacent attacker to cause an affected device to crash.

Insight

Insight

The vulnerability is due to insufficient bounds on internal tables. An attacker could exploit this vulnerability by flooding an adjacent IOS XE device with specific ND messages.

Detection Method

Detection Method

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

Solution

Solution

Cisco has released software updates that address these vulnerabilities. Workarounds that mitigate these vulnerabilities are available.

Common Vulnerabilities and Exposures (CVE)