PT-2021-17457 · Mu320E · Mu320E

Published 2021-03-25 · Updated 2021-03-29 · CVE-2021-27450

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions MU320E versions prior to v04A00.1

Description The SSH server configuration file does not implement some best practices, which could lead to a weakening of the SSH protocol strength. This could result in additional misconfiguration or be leveraged as part of a larger attack.

Recommendations For MU320E versions prior to v04A00.1, update the firmware to version v04A00.1 or later to resolve the issue. As a temporary workaround, consider reviewing and improving the SSH server configuration file to implement best practices and minimize the risk of exploitation.

Fix

Inadequate Encryption Strength

Weakness Enumeration

CWE-326

Related Identifiers

CVE-2021-27450

Affected Products

Mu320E

References · 5

• https://osv.dev/vulnerability/CVE-2021-27450 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-27450 · Security Note
• https://t.me/cvenotify/12258 · Telegram Post
• https://t.me/cvenotify/11977 · Telegram Post
• https://us-cert.cisa.gov/ics/advisories/icsa-21-082-02 · Note