Auth bypass in F5 nginx Controller

CVE-2020-5910

In versions 3.0.0-3.5.0, 2.0.0-2.9.0, and 1.0.1, the Neural Autonomic Transport System (NATS) messaging services in use by the NGINX Controller do not require any form of authentication, so any successful connection would be authorized.

Vulnerability class: Broken Authentication

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.012 (65.7th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 66th percentile — 65.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2020-5910: held from 0.012 to 0.012.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

  • F5 nginx Controller — versions 1.0.1
  • nginx Controller — versions 3.0.0-3.5.0, 2.0.0-2.9.0, 1.0.1

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-5910?
CVE-2020-5910 is a high-severity vulnerability in F5 nginx Controller, classified under Missing Authentication for Critical Function. CVSS score: 7.5/10. Published 2020-07-02.
How severe is CVE-2020-5910?
High severity. CVSS v3 base score is 7.5 out of 10.