How severe is CVE-2020-14514?

CVE-2020-14514 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2020-14514 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-14514?

CVE-2020-14514 affects Nmfc Power Line Communications. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-14514?

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

When was CVE-2020-14514 published?

CVE-2020-14514 was published on 2020-09-01 and last updated on 2026-06-17.

CVE-2020-14514

CVE-2020-14514 is a medium-severity vulnerability in Nmfc Power Line Communications with a CVSS 3.x base score of 4.3. 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-201.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 3.3
EPSS exploit prediction: 0% (37th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-201
Affected product: Nmfc Power Line Communications
Published: 2020-09-01
Last modified: 2026-06-17

Description

All trailer Power Line Communications are affected. PLC bus traffic can be sniffed reliably via an active antenna up to 6 feet away. Further distances are also possible, subject to environmental conditions and receiver improvements.

Frequently asked questions

What is CVE-2020-14514?: All trailer Power Line Communications are affected. PLC bus traffic can be sniffed reliably via an active antenna up to 6 feet away. Further distances are also possible, subject to environmental conditions and receiver improvements.
How severe is CVE-2020-14514?: CVE-2020-14514 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2020-14514 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-14514?: CVE-2020-14514 affects Nmfc Power Line Communications. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-14514?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-14514 published?: CVE-2020-14514 was published on 2020-09-01 and last updated on 2026-06-17.

References

https://us-cert.cisa.gov/ics/advisories/icsa-20-219-01

Affected products (1)

cpe:2.3:a:nmfc:power_line_communications:*:*:*:*:*:*:*:*

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