Input validation error in Juniper Junos OS - CVE-2021-0278

 

Input validation error in Juniper Junos OS - CVE-2021-0278

Published: July 20, 2021


Vulnerability identifier: #VU55002
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-0278
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Juniper Networks, Inc.
Affected software:
Juniper Junos OS

Detailed vulnerability description

The vulnerability allows a remote attacker to gain elevated privileges on the system.

The vulnerability exists due to insufficient validation of user-supplied input in J-Web. A remote authenticated attacker can pass specially crafted input to the application and escalate privileges to root over the target device.


How to mitigate CVE-2021-0278

Install updates from vendor's website.

Sources