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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
7 years ago
Modified
Modified
4 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.