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Cisco IOS XR LPTS Denial of Service Vulnerability (/cisco-sa-20160519-ios-xr) CVE-2016-1407

CVSSv3 Score
Vulnerability description

A vulnerability in the Local Packet Transport Services (LPTS) network stack of Cisco IOS XR for Cisco ASR 9000 Series Aggregation Services Routers could allow an unauthenticated, remote attacker to cause a limited denial of service (DoS) condition on an affected platform.

Risk description

The vulnerability is due to improper handling of flow base entries by LPTS. This can cause too many known entries for a protocol to be created, causing existing or new sessions to be dropped. An attacker could exploit this vulnerability by sending continuous connection attempts to the open TCP ports to cause an exhaustion of services. An exploit could allow the attacker to cause a limited DoS condition on an affected platform.


See the referenced vendor advisory for a solution.

Not available
Detectable with
Network Scanner
Scan engine
Exploitable with Sniper
CVE Published
May 25, 2016
Detection added at
Software Type
Not available
Not available
Not available