What is CVE-2020-5867?

CVE-2020-5867 is a high-severity vulnerability in F5 nginx Controller, classified under Cleartext Transmission of Sensitive Information. CVSS score: 8.1/10. Published 2020-04-23.

How severe is CVE-2020-5867?

High severity. CVSS v3 base score is 8.1 out of 10.

Vulnerability in F5 nginx Controller

CVE-2020-5867

In versions prior to 3.3.0, the NGINX Controller Agent installer script 'install.sh' uses HTTP instead of HTTPS to check and install packages

Published 2020-04-23 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (32.7th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 33rd percentile — 32.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000

Affected products

F5 nginx Controller — versions 1.0.1
NetApp Cloud Backup
nginx Controller — versions < 3.3.0

Weakness classification (CWE)

References

support.f5.com/csp/article/K00958787 (Vendor Advisory)
security.netapp.com/advisory/ntap-20200430-0005/ (Third Party Advisory)

Frequently asked questions

What is CVE-2020-5867?: CVE-2020-5867 is a high-severity vulnerability in F5 nginx Controller, classified under Cleartext Transmission of Sensitive Information. CVSS score: 8.1/10. Published 2020-04-23.
How severe is CVE-2020-5867?: High severity. CVSS v3 base score is 8.1 out of 10.