Vulnerability · Published Aug 17, 2023 · Assigned by Moxa

CVE-2023-33239Second Order Command-injection Vulnerability in the Key-generation Function

High 8.8

In plain English

A high-severity OS command injection in EDR-810 Series from Moxa. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.3% (higher than 71% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High
Exploit odds (30 days)1.3%top 28.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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 key-generation function, which could potentially allow malicious users to execute remote code on affected devices.

Affected products (as reported)

VendorProductVersions
Moxa TN-5900 Series 1.0 – through 3.3
Moxa TN-4900 Series 1.0 – through 1.2.4
Moxa EDR-810 Series 1.0 – through 5.12.27
Moxa EDR-G902 Series 1.0 – through 5.7.17
Moxa EDR-G903 Series 1.0 – through 5.7.15
Moxa EDR-G9010 Series 1.0 – through 2.1
Moxa NAT-102 Series 1.0 – through 1.0.3

Weakness: CWE-78 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References