Improper Certificate Validation in NGINX Controller - CVE-2020-5864
Published: April 24, 2020
Vulnerability identifier: #VU27300
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-5864
CWE-ID: CWE-295
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
NGINX Controller
NGINX Controller
Software vendor:
F5 Networks
F5 Networks
Description
The vulnerability allows a remote attacker to perform a man-in-the-middle (MitM) attack.
The vulnerability exists due to communication between NGINX Controller and NGINX Plus instances skip TLS verification by default. A remote attacker can perform a MitM attack and read/modify data in transit.
Remediation
Install updates from vendor's website.