What is CVE-2020-5909?

CVE-2020-5909 is a medium-severity vulnerability in F5 Nginx_controller, classified under Improper Certificate Validation. CVSS score: 5.4/10. Published 2020-07-02.

How severe is CVE-2020-5909?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Vulnerability in F5 Nginx_controller

CVE-2020-5909

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.

Vulnerability class: Improper Certificate Validation

EPSS: 0.004 (32.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N.

Affected products

F5 Nginx_controller — versions 1.0.1
N/a Nginx Controller — versions 3.0.0-3.5.0, 2.0.0-2.9.0, 1.0.1

Weakness classification (CWE)

CWE-295 — Improper Certificate Validation

References

f5sirt@f5.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2020-5909?: CVE-2020-5909 is a medium-severity vulnerability in F5 Nginx_controller, classified under Improper Certificate Validation. CVSS score: 5.4/10. Published 2020-07-02.
How severe is CVE-2020-5909?: Medium severity. CVSS v3 base score is 5.4 out of 10.