What is CVE-2023-0344?

CVE-2023-0344 is a critical-severity vulnerability in Akuvox E11, classified under CWE-912 HIDDEN FUNCTIONALITY. CVSS score: 9.1/10. Published 2023-03-31.

How severe is CVE-2023-0344?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Vulnerability in Akuvox E11

CVE-2023-0344

Akuvox E11 appears to be using a custom version of dropbear SSH server. This server allows an insecure option that by default is not in the official dropbear SSH server.

Published 2023-03-31 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.006 (44.8th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 44.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Akuvox E11 — versions All
Akuvox E11 Firmware

References

www.cisa.gov/news-events/ics-advisories/icsa-23-068-01 (US Government Resource, Third Party Advisory)

Frequently asked questions

What is CVE-2023-0344?: CVE-2023-0344 is a critical-severity vulnerability in Akuvox E11, classified under CWE-912 HIDDEN FUNCTIONALITY. CVSS score: 9.1/10. Published 2023-03-31.
How severe is CVE-2023-0344?: Critical severity. CVSS v3 base score is 9.1 out of 10.