CVE-2023-4204

criticalpriority · track · 39OT risk · elevatedEPSS 0.004 · 32 %ileDEEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.39% (32nd) EPSS

CVSS 9.8 · critical

Is it mine?

4 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

NPort IAW5000A-I/O Series firmware version v2.2 and prior is affected by a hardcoded credential vulnerabilitywhich poses a potential risk to the security and integrity of the affected device. This vulnerability is attributed to the presence of a hardcoded key, which could potentially facilitate firmware manipulation.

cvss

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–critical · 5.4–9.8

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.19.8criticalAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.15.4mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:Nsecondary · ENISA EU

v3.15.4mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:Nsecondary · psirt@moxa.comexploitability 2.8 · impact 2.5

v3.19criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-798USprimaryCWE-798US

affected products (4)

Products and version ranges known to be affected.

Moxa NPort IAW5000A-I/O Series <= 2.2all versionscert_bundDEcpe:/h:moxa:nport:2.2::iaw5000a-io_series
Moxa NPort IAW5000A-I/O Series≤ 1.0 ≤2.2enisa_euvdEU
Moxa Inc. Moxa NPort IAW5000A-I/O Series≤ 2.2fstec_bduRU
moxa nport iaw5000a-i/o firmware≤ 2.2nvdUScpe:2.3:o:moxa:nport_iaw5000a-i\/o_firmware:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-2076Moxa NPort: Schwachstelle ermöglicht ManipulationDeutsch2023-08-16csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Moxa NPort ausnutzen, um die Firmware zu manipulieren.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund nvd NVD CVE.org MITRE

published 2023-08-16modified 2026-06-17

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+2277 more

references (4)

External citations — patches, advisories, analysis.

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