CVE-2021-23021

5.5 mediumEPSS 0.2%

Medium (5.5) in f5 nginx controller. EPSS 0.2% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

5.5 medium

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 13% of CVEs (scores of 2026-10-31)
CWE: CWE-732
Published: 2021-06-01
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

f5:nginx_controller

References

https://support.f5.com/csp/article/K36926027
https://support.f5.com/csp/article/K36926027

Check your stack JSON