CVE-2013-6701

The tNetTaskLimit process on the Transport Node Controller (TNC) on Cisco ONS 15454 devices with software 9.6 and earlier does not properly prioritize health pings, which allows remote attackers to cause a denial of service (watchdog timeout and TNC reset) via a flood of network traffic, aka Bug ID CSCud97155.

• CWE-20

• http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-6701Vendor Advisory
• http://tools.cisco.com/security/center/viewAlert.x?alertId=32200Vendor Advisory
• http://www.securitytracker.com/id/1029512Third Party Advisory, VDB Entry
• http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-6701Vendor Advisory
• http://tools.cisco.com/security/center/viewAlert.x?alertId=32200Vendor Advisory
• http://www.securitytracker.com/id/1029512Third Party Advisory, VDB Entry

Published

Dec 18, 2013

Last Modified

Jun 17, 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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