PT-2021-12959 · Juniper Networks · Junos

Published 2021-04-22 · Updated 2021-04-27 · CVE-2021-0248

Positive Technologies (AI Summary)

CVSS v3.1

10

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions: Juniper Networks Junos OS versions prior to 19.1R1 on NFX Series

Description: The issue allows an attacker to take over any instance of an NFX deployment through the use of hard-coded credentials in Juniper Networks Junos OS. This issue is only exploitable through administrative interfaces. It does not affect NFX NextGen Software or platforms other than NFX Series devices.

Recommendations: For Juniper Networks Junos OS versions prior to 19.1R1 on NFX Series, update to version 19.1R1 or later to resolve the issue. As a temporary workaround, consider restricting access to administrative interfaces to minimize the risk of exploitation.

Fix

Using Hardcoded Credentials

Weakness Enumeration

CWE-798

Related Identifiers

CVE-2021-0248

Affected Products

Junos

References · 4

• https://kb.juniper.net/JSA11141 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-0248 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-0248 · Security Note
• https://t.me/cvenotify/13821 · Telegram Post