CVE-2023-33239 : TN-4900 Series firmware versions v1.2.4 and prior and TN-5900 Series firmware versions v3.3 and prior are vulnerable to

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.

Published 2023-08-17 03:15:10

Updated 2023-08-22 18:51:20

Source Moxa Inc.

View at NVD, CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2023-33239

EPSS FAQ

0.10%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 42 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2023-33239

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
9.8	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	3.9	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High
8.8	HIGH	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	2.8	5.9	Moxa Inc.
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2023-33239

CWE-77 Improper Neutralization of Special Elements used in a Command ('Command Injection')

The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.

Assigned by:

nvd@nist.gov (Primary)
psirt@moxa.com (Secondary)

Products affected by CVE-2023-33239

Moxa » Tn-5900 Firmware
Versions up to, including, (<=) 3.3
cpe:2.3:o:moxa:tn-5900_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Moxa » Tn-5900 » Version: N/A
Moxa » Tn-4900 Firmware
Versions up to, including, (<=) 1.2.4
cpe:2.3:o:moxa:tn-4900_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Moxa » Tn-4900 » Version: N/A

Vulnerability Details : CVE-2023-33239

Exploit prediction scoring system (EPSS) score for CVE-2023-33239

CVSS scores for CVE-2023-33239

CWE ids for CVE-2023-33239

References for CVE-2023-33239

Products affected by CVE-2023-33239