VULNERABILITY INTELLIGENCE

CVE-2013-6701

CVSS score5 MEDIUM
EPSS probability1.86%
CISA KEVNot currently listed
Published2013-12-18
Last modified2026-06-17
CVSS vectorAV:N/AC:L/Au:N/C:N/I:N/A:P

Description

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.

Weakness classification

  • CWE-20: Improper Input Validation

Primary references