The affected product transmits unencrypted sensitive information, which may allow an attacker to access this information on the NIO 50 (all…

published 2020-11-13 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-17846

cvss: 7.5; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.7%; EPSS 0.7% chance of exploitation in 30 days, percentile 54%
public exploits: 0; none known

The affected product transmits unencrypted sensitive information, which may allow an attacker to access this information on the NIO 50 (all versions).

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-20-308-02 updated 2020-11-03 cvss 4.3

NEXCOM NIO50

NEXCOM NIO 50
affected: mitigation “NEXCOM no longer sells or maintains NIO 50 and considers it to be an end-of-life product.”

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Exploit prediction

0.74% chance of exploitation in the next 30 days, higher than 54% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD	2.0	5.0	AV:N/AC:L/Au:N/C:P/I:N/A:N

Affected products

n/a NIO 50

Classification

Weakness

CWE-319 Cleartext Transmission of Sensitive Information

References

us-cert.cisa.gov /ics/advisories/icsa-20-308-02
third-party-advisory, us-government-resource

Sources

CVE List CVE-2020-25155
NVD CVE-2020-25155

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary