CVE-2013-5481 Information

Description

The PPTP implementation in Cisco IOS 12.2 and 15.0 through 15.3 when NAT is used allows remote attackers to cause a denial of service (device reload) via crafted TCP port-1723 packets aka Bug ID CSCtq14817.

Reference

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20130925-nat