CVE-2023-4929

highpriority · track · 35EPSS 0.003 · 24 %ileDEEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.31% (24th) EPSS

CVSS 8.8 · high

Is it mine?

162 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

All firmware versions of the NPort 5000 Series are affected by an improper validation of integrity check vulnerability. This vulnerability results from insufficient checks on firmware updates or upgrades, potentially allowing malicious users to manipulate the firmware and gain control of devices.

cvss

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

8.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.5–8.8

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 5.9

v3.16.5mediumAV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:Hsecondary · ENISA EU

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:Hsecondary · psirt@moxa.comexploitability 1.2 · impact 5.2

v3.18.1highCVSS:3.1/AV:N/AC:L/PR:L/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.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-354USprimaryCWE-354US

affected products (162)

Products and version ranges known to be affected.

Moxa NPortall versionscert_bundDEcpe:/h:moxa:nport:-
Moxa NPort 5000AI-M12 Series≤ 1.0 ≤1.5enisa_euvdEU
Moxa NPort 5100 Series≤ 1.0 ≤3.10enisa_euvdEU
Moxa NPort 5100A Series≤ 1.0 ≤1.6enisa_euvdEU
Moxa NPort 5200 Series≤ 1.0 ≤2.12enisa_euvdEU
Moxa NPort 5200A Series≤ 1.0 ≤1.6enisa_euvdEU
Moxa NPort 5400 Series≤ 1.0 ≤3.14enisa_euvdEU
Moxa NPort 5600 Series≤ 1.0 ≤3.11enisa_euvdEU
Moxa NPort 5600-DT Series≤ 1.0 ≤2.9enisa_euvdEU
Moxa NPort IA5000 Series≤ 1.0 ≤2.1enisa_euvdEU
Moxa NPort IA5000A Series≤ 1.0 ≤2.0enisa_euvdEU
Moxa NPort IA5000A-I/O Series≤ 1.0 ≤2.0enisa_euvdEU
Moxa NPort IAW5000A-I/O Series≤ 1.0 ≤2.2enisa_euvdEU
Moxa NPort P5150A Series≤ 1.0 ≤1.6enisa_euvdEU
Moxa Inc. NPort 5000AI-M12≤ 1.5fstec_bduRU
Moxa Inc. NPort 5100≤ 2.10 включительно ( models NPort 5110)fstec_bduRU
Moxa Inc. NPort 5100≤ 3.10 включительно ( models NPort 5130/5150)fstec_bduRU
Moxa Inc. NPort 5100A≤ 1.6fstec_bduRU
Moxa Inc. NPort 5150A≤ 1.5fstec_bduRU
Moxa Inc. NPort 5200≤ 2.12fstec_bduRU

showing 20 of 162

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-2537Moxa NPort: Schwachstelle ermöglicht Erlangen von AdministratorrechtenDeutsch2023-10-03csaf · cert_bundDE
Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in Moxa NPort ausnutzen, um Administratorrechte zu erlangen.

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 CVE.org MITRE

published 2023-10-03modified 2026-06-17

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+408 more

references (4)

External citations — patches, advisories, analysis.

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