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Category:   Device (Router/Bridge/Hub)  >   Cisco ASR Router Vendors:   Cisco
Cisco ASR 5000 Series Routers IKE Processing Bug Lets Remote Users Deny Service
SecurityTracker Alert ID:  1038748
SecurityTracker URL:
CVE Reference:   CVE-2017-3865   (Links to External Site)
Date:  Jun 21 2017
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 5000 Series
Description:   A vulnerability was reported in Cisco ASR 5000 Series Routers. A remote user can cause denial of service conditions on the target system.

A remote user can send specially crafted IPsec Internet Key Exchange (IKE) messages to cause the target ipsecmgr service to reload. As a result, all IPsec VPN tunnels will be terminated and new tunnels will not be established until the service has restarted.

The vendor has assigned bug ID CSCvc21129 to this vulnerability.

Impact:   A remote user can cause all IPsec VPN tunnels to be terminated.
Solution:   The vendor has issued a fix.

The vendor advisory is available at:

Vendor URL: (Links to External Site)
Cause:   State error

Message History:   None.

 Source Message Contents

[Original Message Not Available for Viewing]

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