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CVE-2023-33237

Authentication Bypass Without Administrator Privilege

Published: Aug 17, 2023Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-863
NVD MITRE
8.8CVSSHIGH
EPSS Score
0.5%
Top 60.0%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-863CWE-287

Affected Products

Moxa TN-5900Moxa Inc.ICS / OT / IoT
TN-5900 SeriesMoxaICS / OT / IoT
tn-5900 firmwaremoxaICS / OT / IoT
moxa inc.commercialTWICS / OT / IoTaka moxa
moxacommercialTWICS / OT / IoTaka moxa technologies

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
View detailed technique mapping

References

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

Timeline

Published
Aug 17, 2023
Last Updated
Nov 21, 2024

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