What is CVE-2023-6928?

CVE-2023-6928 is a critical-severity vulnerability in Eurotel Etl3100, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 9.8/10. Published 2023-12-19.

How severe is CVE-2023-6928?

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

Vulnerability in Eurotel Etl3100

CVE-2023-6928

EuroTel ETL3100 versions v01c01 and v01x37 does not limit the number of attempts to guess administrative credentials in remote password attacks to gain full control of the system.

Published 2023-12-19 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.008 (53.9th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 53.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Eurotel Etl3100 — versions v01c01, v01x37
Eurotel Etl3100 Firmware — versions 01c01, 01x37

Weakness classification (CWE)

CWE-307 — Improper Restriction of Excessive Authentication Attempts

References

www.cisa.gov/news-events/ics-advisories/icsa-23-353-05 (US Government Resource, Third Party Advisory, government-resource)

Frequently asked questions

What is CVE-2023-6928?: CVE-2023-6928 is a critical-severity vulnerability in Eurotel Etl3100, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 9.8/10. Published 2023-12-19.
How severe is CVE-2023-6928?: Critical severity. CVSS v3 base score is 9.8 out of 10.