Improper Certificate Validation in NGINX Controller - CVE-2020-5909
Published: July 2, 2020 / Updated: December 17, 2020
Vulnerability identifier: #VU34177
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-5909
CWE-ID: CWE-295
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: F5 Networks
Affected software:
NGINX Controller
NGINX Controller
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
In versions 3.0.0-3.5.0, 2.0.0-2.9.0, and 1.0.1, when users run the command displayed in NGINX Controller user interface (UI) to fetch the agent installer, the server TLS certificate is not verified.
How to mitigate CVE-2020-5909
Install update from vendor's website.