What is CVE-2018-16496?

CVE-2018-16496 is a medium-severity vulnerability in Versa-Networks Versa Director, classified under Improper Authentication. CVSS score: 5.3/10. Published 2021-05-26.

How severe is CVE-2018-16496?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Auth bypass in Versa-Networks Versa Director

CVE-2018-16496

In Versa Director, the un-authentication request found.

Vulnerability class: Broken Authentication

Published 2021-05-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.007 (52.9th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 52.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Versa-Networks Versa Director
Versa Director — versions Fixed Versions: 16.1R2S11, 20.2.2, 21.1.1, 21.2.1

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

hackerone.com/reports/1168193 (Third Party Advisory)

Frequently asked questions

What is CVE-2018-16496?: CVE-2018-16496 is a medium-severity vulnerability in Versa-Networks Versa Director, classified under Improper Authentication. CVSS score: 5.3/10. Published 2021-05-26.
How severe is CVE-2018-16496?: Medium severity. CVSS v3 base score is 5.3 out of 10.