PT-2021-9675 · Mofi Network · Mofi4500-4Gxelte

Published 2021-02-01 · Updated 2021-02-03 · CVE-2020-13858

Positive Technologies (AI Summary)

CVSS v3.1

9.8

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 Mofi Network MOFI4500-4GXeLTE versions 3.6.1-std through 4.0.8-std

Description An issue was discovered in Mofi Network MOFI4500-4GXeLTE devices, where two undocumented administrator accounts, sftp and mofidev, are defined in /etc/passwd. The password for these accounts is not unique across installations.

Recommendations For version 3.6.1-std, consider disabling the sftp and mofidev accounts until a patch is available. For version 4.0.8-std, restrict access to the accounts sftp and mofidev to minimize the risk of exploitation. As a temporary workaround, consider changing the passwords for the sftp and mofidev accounts to unique values for each installation.

Fix

Using Hardcoded Credentials

Weakness Enumeration

CWE-798

Related Identifiers

CVE-2020-13858

Affected Products

Mofi4500-4Gxelte

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2020-13858 · Security Note
• https://mofinetwork.com/index.php?main_page=page&id=14 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-13858 · Vendor Advisory
• https://t.me/cvenotify/9212 · Telegram Post
• https://t.me/cvenotify/9194 · Telegram Post
• https://criticalstart.com/critical-vulnerabilities-discovered-in-mofi-routers · Note
• https://t.me/cvenotify/9367 · Telegram Post