How severe is CVE-2020-25151?

CVE-2020-25151 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2020-25151 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-25151?

CVE-2020-25151 affects Nexcom Nio 50 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-25151?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-25151 published?

CVE-2020-25151 was published on 2020-11-13 and last updated on 2026-06-17.

CVE-2020-25151

CVE-2020-25151 is a high-severity vulnerability in Nexcom Nio 50 Firmware with a CVSS 3.x base score of 7.5. 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: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Nexcom Nio 50 Firmware
Published: 2020-11-13
Last modified: 2026-06-17

Description

The affected product does not properly validate input, which may allow an attacker to execute a denial-of-service attack on the NIO 50 (all versions).

Frequently asked questions

What is CVE-2020-25151?: The affected product does not properly validate input, which may allow an attacker to execute a denial-of-service attack on the NIO 50 (all versions).
How severe is CVE-2020-25151?: CVE-2020-25151 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2020-25151 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-25151?: CVE-2020-25151 affects Nexcom Nio 50 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-25151?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-25151 published?: CVE-2020-25151 was published on 2020-11-13 and last updated on 2026-06-17.

References

https://us-cert.cisa.gov/ics/advisories/icsa-20-308-02

Affected products (1)

cpe:2.3:o:nexcom:nio_50_firmware:*:*:*:*:*:*:*:*

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