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CVE-2023-4929

NPort 5000 Series Firmware Improper Validation of Integrity Check Vulnerability

HIGH
8.8
CVSS Score
Published: October 3, 2023 at 01:54 PM UTC
Updated: June 17, 2026 at 06:38 AM UTC
230 products affected across 1 vendorNport IAW5000A I /o FirmwareNport 5110 FirmwareNport IA5250A Firmware

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Severity
HIGH8.8
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Nport 5110 Firmware· Moxa
95%
v ≤ 2.10
moxa-nport-5110 (same device)
Nport 5110-t Firmware· Moxa
95%
v ≤ 2.10
moxa-nport-5110-t (same device)
Nport 5110A Firmware· Moxa
95%
v ≤ 1.6
moxa-nport-5110a (same device)
Nport 5110A T Firmware· Moxa
95%
v ≤ 1.6
moxa-nport-5110a-t (same device)
Nport 5130 Firmware· Moxa
95%
v ≤ 3.10
moxa-nport-5130 (same device)
Nport 5130A Firmware· Moxa
95%
v ≤ 1.6
moxa-nport-5130a (same device)
Nport 5130A T Firmware· Moxa
95%
v ≤ 1.6
moxa-nport-5130a-t (same device)
Nport 5150 Firmware· Moxa
95%
v ≤ 3.10
moxa-nport-5150 (same device)
Nport 5150A Firmware· Moxa
95%
v ≤ 1.6
moxa-nport-5150a (same device)
Nport 5150A T Firmware· Moxa
95%
v ≤ 1.6
moxa-nport-5150a-t (same device)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: [email protected]
https://www.moxa.com/en/support/product-support/security-advisory/mpsa-233328-nport-5000-series-firmware-improper-validation-of-integrity-check-vulnerability

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-354

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