How severe is CVE-2020-25194?

CVE-2020-25194 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-25194 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-25194?

CVE-2020-25194 affects Moxa Nport Iaw5000a-i/o Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-25194?

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-2020-25194 published?

CVE-2020-25194 was published on 2020-12-23 and last updated on 2026-06-17.

CVE-2020-25194

CVE-2020-25194 is a high-severity vulnerability in Moxa Nport Iaw5000a-i/o Firmware with a CVSS 3.x base score of 8.8. 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-269.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-269
Affected product: Moxa Nport Iaw5000a-i/o Firmware
Published: 2020-12-23
Last modified: 2026-06-17

Description

The built-in WEB server for MOXA NPort IAW5000A-I/O firmware version 2.1 or lower has improper privilege management, which may allow an attacker with user privileges to perform requests with administrative privileges.

Frequently asked questions

What is CVE-2020-25194?: The built-in WEB server for MOXA NPort IAW5000A-I/O firmware version 2.1 or lower has improper privilege management, which may allow an attacker with user privileges to perform requests with administrative privileges.
How severe is CVE-2020-25194?: CVE-2020-25194 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-25194 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-25194?: CVE-2020-25194 affects Moxa Nport Iaw5000a-i/o Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-25194?: 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-2020-25194 published?: CVE-2020-25194 was published on 2020-12-23 and last updated on 2026-06-17.

References

https://us-cert.cisa.gov/ics/advisories/icsa-20-287-01

Affected products (1)

cpe:2.3:o:moxa:nport_iaw5000a-i\/o_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Moxa Nport Iaw5000a-i/o Firmware

CVE-2020-25196 — Critical (CVSS 9.8): The built-in WEB server for MOXA NPort IAW5000A-I/O firmware version 2.1 or lower allows SSH/Telnet sessions, which may…
CVE-2020-25153 — Critical (CVSS 9.8): The built-in web service for MOXA NPort IAW5000A-I/O firmware version 2.1 or lower does not require users to have…
CVE-2020-25198 — High (CVSS 8.8): The built-in WEB server for MOXA NPort IAW5000A-I/O firmware version 2.1 or lower has incorrectly implemented…
CVE-2020-25190 — High (CVSS 7.5): The built-in WEB server for MOXA NPort IAW5000A-I/O firmware version 2.1 or lower stores and transmits the credentials…
CVE-2023-4929 — Medium (CVSS 6.5): All firmware versions of the NPort 5000 Series are affected by an improper validation of integrity check vulnerability.…
CVE-2023-4204 — Medium (CVSS 5.4): NPort IAW5000A-I/O Series firmware version v2.2 and prior is affected by a hardcoded credential vulnerabilitywhich…

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