CVE-2020-25153
MOXA NPort IAW5000A-I/O Series
The built-in web service for MOXA NPort IAW5000A-I/O firmware version 2.1 or lower does not require users to have strong passwords.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
MOXA NPort IAW5000A-I/O Series
The built-in web service for MOXA NPort IAW5000A-I/O firmware version 2.1 or lower does not require users to have strong passwords.
- Record
CVE-2020-25153- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-521
- Updated
- 2026-11-02
EUVDEUVD-2020-17844
The built-in web service for MOXA NPort IAW5000A-I/O firmware version 2.1 or lower does not require users to have strong passwords.
- Record
EUVD-2020-17844- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-256m-p2gv-r882 No score
The built-in web service for MOXA NPort IAW5000A-I/O firmware version 2.1 or lower does not...
The built-in web service for MOXA NPort IAW5000A-I/O firmware version 2.1 or lower does not require users to have strong passwords.
- Record
GHSA-256m-p2gv-r882- Weakness
- CWE-521
- Updated
- 2026-11-02
NVD
The built-in web service for MOXA NPort IAW5000A-I/O firmware version 2.1 or lower does not require users to have strong passwords.
- Record
CVE-2020-25153- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-521
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-25153 is a critical vulnerability (CVSS 9.8) in Moxa Nport Iaw5000a-i/o, published December 23, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.60%, the 75th percentile. No source names a fixed version.