CVE-2011-3277

Unspecified vulnerability in the NAT implementation in Cisco IOS 12.1 through 12.4 and 15.0 through 15.1, and IOS XE 3.1.xSG, allows remote attackers to cause a denial of service device reload by sending crafted H.323 packets to TCP port 1720, aka Bug ID CSCth11006...

Design/Logic Flaw

Unspecified vulnerability in the NAT implementation in Cisco IOS 12.1 through 12.4 and 15.0 through 15.1, and IOS XE 3.1.xSG, allows remote attackers to cause a denial of service device reload by sending crafted H.323 packets to TCP port 1720, aka Bug ID CSCth11006...

CVE-2011-3277

CVE-2011-3277 affects Cisco IOS NAT implementation (12.1–12.4, 15.0–15.1) and IOS-XE 3.1.xSG. The issue arises from NAT handling of H.323 traffic on TCP/1720, enabling remote attackers to cause a DoS (device reload). Cisco’s advisory notes multiple NAT DoS vectors (including H.323), with mitigati...