PT-2021-6070 · Moxa · Moxa Tn-5900

Published 2021-12-28 · Updated 2022-02-01 · CVE-2021-46560

Positive Technologies (AI Summary)

CVSS v3.1

10

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Moxa TN-5900 devices through 3.1

Description The issue is related to command injection in the firmware of Moxa TN-5900 devices, which could lead to device damage. It is also described as a vulnerability associated with the lack of data cleaning measures at the management level, allowing a remote attacker to inject malicious code.

Recommendations For Moxa TN-5900 devices through 3.1, consider disabling command injection functionality until a patch is available. As a temporary workaround, restrict access to the device to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Command Injection

Weakness Enumeration

CWE-77

Related Identifiers

BDU:2022-00676

CVE-2021-46560

Affected Products

Moxa Tn-5900

References · 6

• https://osv.dev/vulnerability/CVE-2021-46560 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-46560 · Security Note
• https://bdu.fstec.ru/vul/2022-00676 · Security Note
• https://moxa.com/en/support/product-support/security-advisory/tn-5900-secure-routers-vulnerabilities · Note
• https://moxa.com/en/support/product-support/security-advisory/tn-5900-secure-routers-vulnerabilitiestxt · Note
• https://t.me/cibsecurity/36287 · Telegram Post