How severe is CVE-2013-6701?

CVE-2013-6701 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2013-6701 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-6701?

CVE-2013-6701 primarily affects Cisco Cisco Ons 15454 System Software. In total, 15 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-6701?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2013-6701 published?

CVE-2013-6701 was published on 2013-12-18 and last updated on 2026-06-17.

CVE-2013-6701

CVE-2013-6701 is a medium-severity vulnerability in Cisco Cisco Ons 15454 System Software with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Cisco Cisco Ons 15454 System Software
Published: 2013-12-18
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2013-6701?: CVE-2013-6701 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2013-6701 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-6701?: CVE-2013-6701 primarily affects Cisco Cisco Ons 15454 System Software. In total, 15 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-6701?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-6701 published?: CVE-2013-6701 was published on 2013-12-18 and last updated on 2026-06-17.

References

Affected products (15)

cpe:2.3:o:cisco:cisco_ons_15454_system_software:9.0:*:*:*:*:*:*:*
cpe:2.3:o:cisco:cisco_ons_15454_system_software:9.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:cisco_ons_15454_system_software:9.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:cisco_ons_15454_system_software:9.2.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:cisco_ons_15454_system_software:9.2.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:cisco_ons_15454_system_software:9.3:*:*:*:*:*:*:*
cpe:2.3:o:cisco:cisco_ons_15454_system_software:9.4:*:*:*:*:*:*:*
cpe:2.3:o:cisco:cisco_ons_15454_system_software:9.6:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ons_15454_mspp:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ons_15454_mstp:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ons_15454e_optical_transport_platform:*:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ons_15454:*:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ons_15454_multiservice_transport_platform:*:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ons_15454_sdh_multiservice_provisioning_platform:*:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ons_15454_sonet_multiservice_provisioning_platform:*:*:*:*:*:*:*:*

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