CVE-2023-34217

Name: CVE-2023-34217
Creator: NVD / NIST
Published: 2023-08-17T07:15:43.383+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.1/10EPSS 0.38%

Last modified Jun 17, 2026

CVE-2023-34217 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. 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. EPSS estimates a 0.38% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

8.1/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

EPSS Probability

0.38%

29.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Moxa	Tn-5900 Firmware	<= 3.3
Moxa	Tn-4900 Firmware	<= 1.2.4

References

Timeline

Published: Aug 17, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-34217?

How severe is CVE-2023-34217?

CVE-2023-34217 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 0.38% probability of exploitation in the next 30 days.

How do I fix CVE-2023-34217?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-34217?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST