What is CVE-2021-23021?

CVE-2021-23021 is a medium-severity vulnerability in F5 Nginx_controller, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 5.5/10. Published 2021-06-01.

How severe is CVE-2021-23021?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in F5 Nginx_controller

CVE-2021-23021

The Nginx Controller 3.x before 3.7.0 agent configuration file /etc/controller-agent/agent.conf is world readable with current permission bits set to 644.

EPSS: 0.002 (13.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

F5 Nginx_controller
N/a Nginx Controller — versions “3.x before 3.7.0”

Weakness classification (CWE)

CWE-732 — Incorrect Permission Assignment for Critical Resource

References

f5sirt@f5.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-23021?: CVE-2021-23021 is a medium-severity vulnerability in F5 Nginx_controller, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 5.5/10. Published 2021-06-01.
How severe is CVE-2021-23021?: Medium severity. CVSS v3 base score is 5.5 out of 10.