What is CVE-2019-5426?

CVE-2019-5426 is a medium-severity vulnerability in Ubiquiti Networks Edgemax, classified under Improper Authentication. CVSS score: 4.8/10. Published 2019-04-10.

How severe is CVE-2019-5426?

Medium severity. CVSS v3 base score is 4.8 out of 10.

Auth bypass in Ubiquiti Networks Edgemax

CVE-2019-5426

In Ubiquiti Networks EdgeSwitch X v1.1.0 and prior, an unauthenticated user can use the "local port forwarding" and "dynamic port forwarding" (SOCKS proxy) functionalities. Remote attackers without credentials can exploit this bug to access local services or forward traffic through the device if SSH is enabled in the system settings.

Vulnerability class: Broken Authentication

EPSS: 0.008 (53.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N.

Affected products

Ubiquiti Networks Edgemax — versions EdgeSwitch X prior to v1.1.1
Ui Edgeswitch_x

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

support@hackerone.com (Third Party Advisory, x_refsource_MISC)
support@hackerone.com (x_refsource_CONFIRM, Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2019-5426?: CVE-2019-5426 is a medium-severity vulnerability in Ubiquiti Networks Edgemax, classified under Improper Authentication. CVSS score: 4.8/10. Published 2019-04-10.
How severe is CVE-2019-5426?: Medium severity. CVSS v3 base score is 4.8 out of 10.