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Multiple Moxa Ethernet Switches Affected by CVE-2023-48795 and CVE-2019-20372

Published: November 1, 2024

This Alert Is From MOXA

As Industrial IoT (IIoT) adoption continues to proliferate, cybersecurity has become one of the top priorities. The Moxa Product Security Incident Response Team (PSIRT) takes a proactive approach to protect products from cybersecurity vulnerabilities. Moxa PSIRT investigates all reports of vulnerabilities that could potentially affect Moxa products. Moxa created a vulnerability management policy to provide guidance and information to our customers in the event of a reported vulnerability. The management policy ensures that Moxa’s customers have steady, unambiguous resources to help them understand how Moxa resolves or mitigates reported vulnerabilities. For any queries, please email [email protected].

Multiple Moxa Ethernet switches are affected by the CVE-2023-48795 and CVE-2019-20372 vulnerabilities. These vulnerabilities pose potential security risks that could impact the integrity and functionality of the affected products. 

The identified vulnerability types and potential impacts are listed below:

Item Vulnerability Type Impact
1

Improper Validation of Integrity Check Value (CWE-354) 

CVE-2023-48795

 This can allow a remote, man-in-the-middle attacker to bypass integrity checks and downgrade the connection's security.
2

Inconsistent Interpretation of HTTP Requests (‘HTTP Request/Response Smuggling’) (CWE-444)

CVE-2019-20372

 This can allow HTTP request smuggling, leading to unauthorized access to web pages, bypassing security controls, and potential for further attacks.

Vulnerability Scoring Details 

ID
CVSS
Vector

Unauthenticated Remote Exploits
CVE-2023-48795

5.9

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

 Yes
CVE-2019-20372 5.3

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

 Yes

 

This alert has come from: https://www.moxa.com/en/support/product-support/security-advisory/mpsa-244252-multiple-moxa-ethernet-switches-affected-by-cve-2023-48795-and-cve-2019-20372