CVE-2011-3279

The provider-edge MPLS 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) via a malformed SIP packet to UDP port 5060, aka Bug ID CSCti98219.

• http://tools.cisco.com/security/center/viewAlert.x?alertId=24121Vendor Advisory
• http://www.cisco.com/en/US/products/products_security_advisory09186a0080b95d4d.shtmlVendor Advisory
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13781Third Party Advisory
• http://tools.cisco.com/security/center/viewAlert.x?alertId=24121Vendor Advisory
• http://www.cisco.com/en/US/products/products_security_advisory09186a0080b95d4d.shtmlVendor Advisory
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13781Third Party Advisory

Published

Oct 3, 2011

Last Modified

Jun 16, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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