CVE-2013-5481

Name of the Vulnerable Software and Affected Versions Cisco IOS versions 12.2, 15.0 through 15.3

Description The issue allows remote attackers to cause a denial of service (device reload) via crafted TCP port-1723 packets when NAT is used. This is related to the implementation of the network address translation (NAT) feature in Cisco IOS Software, which could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition.

Recommendations For Cisco IOS versions 12.2, 15.0 through 15.3, update to a version that addresses these vulnerabilities, as workarounds that mitigate these vulnerabilities are not available.