vulntracker.iovulntracker.io
© 2026 vulntracker.io

CVE-2023-34217

Second Order Command-injection Vulnerability in the Certificate-delete Function

HIGH
8.1
CVSS Score
Published: August 17, 2023 at 06:48 AM UTC
Updated: June 17, 2026 at 06:03 AM UTC
8 products affected across 1 vendorTn 5900 FirmwareTn 4900 FirmwareTN-4900

Using TN-5900 Series by Moxa?

Get instant alerts when new vulnerabilities affect TN-5900 Series - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Start FreeSign In
Severity
HIGH8.1
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

Description

TN-4900 Series firmware versions v1.2.4 and prior and TN-5900 Series firmware versions v3.3 and prior are vulnerable to the command-injection vulnerability. This vulnerability stems from insufficient input validation in the certificate-delete function, which could potentially allow malicious users to delete arbitrary files.

Affected

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

Tn 4900 Firmware· Moxa
95%
v ≤ 1.2.4
Tn 5900 Firmware· Moxa
95%
v ≤ 3.31.0 ≤ v ≤ 3.31.0
TN-4900· Moxa
90%
v ≤ 1.2.41.0 ≤ v ≤ 1.2.41.0
EDR-G9010· Moxa
60%
1.0 ≤ v ≤ 2.11.0
EDR G902· Moxa
60%
1.0 ≤ v ≤ 5.7.171.0
EDR G903· Moxa
60%
1.0 ≤ v ≤ 5.7.151.0
NAT-102· Moxa
60%
1.0 ≤ v ≤ 1.0.31.0
Tn-5900· Moxadevice
80%
All versions

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 AdvisoryPatch
Source: [email protected]
https://www.moxa.com/en/support/product-support/security-advisory/mpsa-230402-tn-5900-and-tn-4900-series-web-server-multiple-vulnerabilities

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

8.1HIGHMoxa
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-22

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create accountSign in
Free plan, no card