Description
TN-5900 Series firmware version v3.3 and prior is vulnerable to improper-authentication vulnerability. This vulnerability arises from inadequate authentication measures implemented in the web API handler, allowing low-privileged APIs to execute restricted actions that only high-privileged APIs are allowed This presents a potential risk of unauthorized exploitation by malicious actors.
References (1)
Core 1
Core References
Patch, Vendor Advisory vendor-advisory
https://www.moxa.com/en/support/product-support/security-advisory/mpsa-230402-tn-5900-and-tn-4900-series-web-server-multiple-vulnerabilities
Scores
CVSS v3
8.8
EPSS
0.0028
EPSS Percentile
51.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-287
CWE-863
Status
published
Products (1)
moxa/tn-5900_firmware
< 3.3
Published
Aug 17, 2023
Tracked Since
Feb 18, 2026