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Cisco ASR 903 and ASR 920 Series Devices IPv6 Packet Processing 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

5 years ago

Modified

Modified

3 years ago

Summary

A vulnerability in Cisco ASR 903 or ASR 920 Series Devices running with an RSP2 card could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on a targeted system.

Insight

Insight

The vulnerability is due to insufficient processing of IPv6 packets by the affected system. The system could push IPv6 traffic to the processor even when the device is not configured for IPv6, which could cause other control packets to be affected.

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)