What is CVE-2023-2611?

CVE-2023-2611 is a critical-severity vulnerability in Advantech R-Seenet, classified under Use of Hard-coded Credentials. CVSS score: 9.8/10. Published 2023-06-22.

How severe is CVE-2023-2611?

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

Vulnerability in Advantech R-Seenet

CVE-2023-2611

Advantech R-SeeNet versions 2.4.22 is installed with a hidden root-level user that is not available in the users list. This hidden user has a password that cannot be changed by users.

Published 2023-06-22 · 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: 0.007 (49.9th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 49.9% 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

Advantech R-Seenet — versions 0

Weakness classification (CWE)

CWE-798 — Use of Hard-coded Credentials

References

www.cisa.gov/news-events/ics-advisories/icsa-23-173-02 (US Government Resource, Third Party Advisory)

Frequently asked questions

What is CVE-2023-2611?: CVE-2023-2611 is a critical-severity vulnerability in Advantech R-Seenet, classified under Use of Hard-coded Credentials. CVSS score: 9.8/10. Published 2023-06-22.
How severe is CVE-2023-2611?: Critical severity. CVSS v3 base score is 9.8 out of 10.