Improper Authorization in NGINX Controller - CVE-2020-5863

 

Improper Authorization in NGINX Controller - CVE-2020-5863

Published: March 20, 2020 / Updated: April 24, 2020


Vulnerability identifier: #VU26263
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-5863
CWE-ID: CWE-285
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: F5 Networks
Affected software:
NGINX Controller

Detailed vulnerability description

The vulnerability allows a remote attacker to perform a denial of service attack.

The vulnerability exists due to NGINX Controller allows a remote unauthenticated attacker to create unprivileged user accounts and upload a new license to the system. A remote attacker can use this behavior to consume all available disk space on the system and perform a denial of service attack.


How to mitigate CVE-2020-5863

Install updates from vendor's website.

Sources