Is CVE-2013-6701 being actively exploited?

CVE-2013-6701 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2013-6701?

CVE-2013-6701 has a CVSS 2.0 base score of 5.0 (MEDIUM).

CVE-2013-6701

MEDIUM · CVSS 5.0EPSS 1.9%EU EUVD

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.

Key facts

CVSS score: 5.0 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness (CWE): CWE-20
EPSS score: 1.9% (79th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2013-6503)
Published: December 18, 2013
NVD last modified: June 17, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2013-6503 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

cisco / cisco ons 15454 system software
cisco / cisco ons 15454 system software
cisco / cisco ons 15454 system software
cisco / cisco ons 15454 system software
cisco / cisco ons 15454 system software
cisco / cisco ons 15454 system software
cisco / cisco ons 15454 system software
cisco / cisco ons 15454 system software
cisco / ons 15454
cisco / ons 15454 mspp
cisco / ons 15454 mstp
cisco / ons 15454 multiservice transport platform
cisco / ons 15454 sdh multiservice provisioning platform
cisco / ons 15454 sonet multiservice provisioning platform
cisco / ons 15454e optical transport platform

References

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

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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