CVE-2020-25198
MOXA NPort IAW5000A-I/O Series
The built-in WEB server for MOXA NPort IAW5000A-I/O firmware version 2.1 or lower has incorrectly implemented protections from session fixation, which may allow an attacker to gain access to a session and hijack it by stealing the user’s cookies.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
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 server for MOXA NPort IAW5000A-I/O firmware version 2.1 or lower has incorrectly implemented protections from session fixation, which may allow an attacker to gain access to a session and hijack it by stealing the user’s cookies.
- Record
CVE-2020-25198- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-384
- Updated
- 2026-11-02
EUVDEUVD-2020-17889
The built-in WEB server for MOXA NPort IAW5000A-I/O firmware version 2.1 or lower has incorrectly implemented protections from session fixation, which may allow an attacker to gain access to a session and hijack it by stealing the user’s cookies.
- Record
EUVD-2020-17889- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-wh93-gr26-x6q9 No score
The built-in WEB server for MOXA NPort IAW5000A-I/O firmware version 2.1 or lower has incorrectly...
The built-in WEB server for MOXA NPort IAW5000A-I/O firmware version 2.1 or lower has incorrectly implemented protections from session fixation, which may allow an attacker to gain access to a session and hijack it by stealing the user’s cookies.
- Record
GHSA-wh93-gr26-x6q9- Weakness
- CWE-384
- Updated
- 2026-11-02
NVD
The built-in WEB server for MOXA NPort IAW5000A-I/O firmware version 2.1 or lower has incorrectly implemented protections from session fixation, which may allow an attacker to gain access to a session and hijack it by stealing the user’s cookies.
- Record
CVE-2020-25198- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-384
- 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-2020-25198 is a high vulnerability (CVSS 8.8) 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 1.41%, the 72nd percentile. No source names a fixed version.