What is CVE-2020-27730?

CVE-2020-27730 is a critical-severity vulnerability in F5 Nginx_controller, classified under Path Traversal. CVSS score: 9.8/10. Published 2020-12-11.

How severe is CVE-2020-27730?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Path Traversal in F5 Nginx_controller

CVE-2020-27730

In versions 3.0.0-3.9.0, 2.0.0-2.9.0, and 1.0.1, the NGINX Controller Agent does not use absolute paths when calling system utilities.

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.017 (74.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

F5 Nginx_controller — versions 1.0.1
Netapp Cloud_backup
N/a Nginx Controller — versions 3.0.0-3.9.0, 2.0.0-2.9.0, 1.0.1

Weakness classification (CWE)

CWE-22 — Path Traversal

References

f5sirt@f5.com (x_refsource_CONFIRM, Vendor Advisory)
f5sirt@f5.com (x_refsource_CONFIRM, Third Party Advisory)

Frequently asked questions

What is CVE-2020-27730?: CVE-2020-27730 is a critical-severity vulnerability in F5 Nginx_controller, classified under Path Traversal. CVSS score: 9.8/10. Published 2020-12-11.
How severe is CVE-2020-27730?: Critical severity. CVSS v3 base score is 9.8 out of 10.