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Category:   Device (Router/Bridge/Hub)  >   Cisco ASR Router Vendors:   Cisco
Cisco ASR 5000/5500 Series Routers Lets Remote Users Cause the Target Service to Crash
SecurityTracker Alert ID:  1037308
SecurityTracker URL:
CVE Reference:   CVE-2016-6466   (Links to External Site)
Date:  Nov 17 2016
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 5000/5500 Series
Description:   A vulnerability was reported in Cisco ASR 5000/5500 Series Routers. A remote user can cause denial of service conditions.

A remote user can send specially crafted Internet Key Exchange (IKE) messages to cause the target ipsecmgr service to reload, terminating all active IPSec VPN tunnels and preventing new tunnel establishment.

The vendor has assigned bug ID CSCva13631 to this vulnerability.

Impact:   A remote user can cause the target ipsecmgr service to reload, dropping all active IPSec tunnels.
Solution:   The vendor has issued a fix.

The vendor advisory is available at:

Vendor URL: (Links to External Site)
Cause:   Input validation error

Message History:   None.

 Source Message Contents

[Original Message Not Available for Viewing]

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