What is CVE-2018-16219?

CVE-2018-16219 is a high-severity vulnerability in Audiocodes 405hd, classified under Improper Authentication. CVSS score: 8.8/10. Published 2019-04-25.

How severe is CVE-2018-16219?

High severity. CVSS v3 base score is 8.8 out of 10.

Auth bypass in Audiocodes 405hd

CVE-2018-16219

A missing password verification in the web interface in AudioCodes 405HD VoIP phone with firmware 2.2.12 allows an remote attacker (in the same network as the device) to change the admin password without authentication via a POST request.

Vulnerability class: Broken Authentication

Published 2019-04-25 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.012 (67.4th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 67.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

Audiocodes 405hd
Audiocodes 405hd Firmware — versions 2.2.12

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

www.sit.fraunhofer.de/fileadmin/dokumente/CVE/Advisory_AudioCodes_405HD.pdf (Exploit, Third Party Advisory, Mitigation)

Frequently asked questions

What is CVE-2018-16219?: CVE-2018-16219 is a high-severity vulnerability in Audiocodes 405hd, classified under Improper Authentication. CVSS score: 8.8/10. Published 2019-04-25.
How severe is CVE-2018-16219?: High severity. CVSS v3 base score is 8.8 out of 10.