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.

Published: 2013-12-18 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2013-6701 is rated Moderate Risk (44.9/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.69%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2013-6701

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-03-17 0.26% 0.69% +0.43%
2 2024-12-17 0.36% 0.26% -0.10%
3 2023-03-07 — 0.36% —

Full EPSS history (4 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-6701

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2013-6701

Affected software / configurations for CVE-2013-6701

Vendor Product Version Raw CPE
cisco cisco_ons_15454_system_software 9.0 cpe:2.3:o:cisco:cisco_ons_15454_system_software:9.0:*:*:*:*:*:*:*
cisco cisco_ons_15454_system_software 9.1 cpe:2.3:o:cisco:cisco_ons_15454_system_software:9.1:*:*:*:*:*:*:*
cisco cisco_ons_15454_system_software 9.2 cpe:2.3:o:cisco:cisco_ons_15454_system_software:9.2:*:*:*:*:*:*:*
cisco cisco_ons_15454_system_software 9.2.1 cpe:2.3:o:cisco:cisco_ons_15454_system_software:9.2.1:*:*:*:*:*:*:*
cisco cisco_ons_15454_system_software 9.2.2 cpe:2.3:o:cisco:cisco_ons_15454_system_software:9.2.2:*:*:*:*:*:*:*
cisco cisco_ons_15454_system_software 9.3 cpe:2.3:o:cisco:cisco_ons_15454_system_software:9.3:*:*:*:*:*:*:*
cisco cisco_ons_15454_system_software 9.4 cpe:2.3:o:cisco:cisco_ons_15454_system_software:9.4:*:*:*:*:*:*:*
cisco cisco_ons_15454_system_software 9.6 cpe:2.3:o:cisco:cisco_ons_15454_system_software:9.6:*:*:*:*:*:*:*
cisco ons_15454_mspp — cpe:2.3:o:cisco:ons_15454_mspp:*:*:*:*:*:*:*:*
cisco ons_15454_mstp — cpe:2.3:o:cisco:ons_15454_mstp:*:*:*:*:*:*:*:*
cisco ons_15454e_optical_transport_platform — cpe:2.3:o:cisco:ons_15454e_optical_transport_platform:*:*:*:*:*:*:*:*
cisco ons_15454 — cpe:2.3:h:cisco:ons_15454:*:*:*:*:*:*:*:*
cisco ons_15454_multiservice_transport_platform — cpe:2.3:h:cisco:ons_15454_multiservice_transport_platform:*:*:*:*:*:*:*:*
cisco ons_15454_sdh_multiservice_provisioning_platform — cpe:2.3:h:cisco:ons_15454_sdh_multiservice_provisioning_platform:*:*:*:*:*:*:*:*
cisco ons_15454_sonet_multiservice_provisioning_platform — cpe:2.3:h:cisco:ons_15454_sonet_multiservice_provisioning_platform:*:*:*:*:*:*:*:*

References for CVE-2013-6701

cvelogic Threat Intelligence