CVE-2023-5627

Incorrect Implementation of Authentication Algorithm Vulnerability

HIGH
7.5
CVSS Score
Published: November 1, 2023 at 03:04 PM UTC
Updated: June 17, 2026 at 06:48 AM UTC
55 products affected across 1 vendorNport 6650-8-48v FirmwareNport 6650-16-48v FirmwareNport 6250-s Sc Firmware

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Severity
HIGH7.5
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

A vulnerability has been identified in NPort 6000 Series, making the authentication mechanism vulnerable. This vulnerability arises from the incorrect implementation of sensitive information protection, potentially allowing malicious users to gain unauthorized access to the web service.

Affected

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

v ≤ 1.21
moxa-nport-6150 (same device)
v ≤ 1.21
moxa-nport-6150-t (same device)
v ≤ 1.21
moxa-nport-6250 (same device)
v ≤ 1.21
moxa-nport-6250-m-sc (same device)
v ≤ 1.21
moxa-nport-6250-m-sc-t (same device)
v ≤ 1.21
moxa-nport-6250-s-sc (same device)
v ≤ 1.21
moxa-nport-6250-s-sc-t (same device)
v ≤ 1.21
moxa-nport-6250-t (same device)
v ≤ 1.21
moxa-nport-6450 (same device)
v ≤ 1.21
moxa-nport-6450-t (same device)

Remediation

No guide yet

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

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

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

CVSS

7.5HIGHMoxa
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-257CWE-303CWE-327CWE-287

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