What is CVE-2023-28611?

CVE-2023-28611 is a critical-severity vulnerability in Omicronenergy Stationguard, classified under Incorrect Authorization. CVSS score: 9.8/10. Published 2023-03-23.

How severe is CVE-2023-28611?

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

Auth bypass in Omicronenergy Stationguard

CVE-2023-28611

Incorrect authorization in OMICRON StationGuard 1.10 through 2.20 and StationScout 1.30 through 2.20 allows an attacker to bypass intended access restrictions.

Vulnerability class: Broken Access Control

Published 2023-03-23 · 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: 0.006 (48.9th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 48.9% 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

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

www.omicronenergy.com/en/support/product-security/ (Vendor Advisory)
www.omicronenergy.com/fileadmin/user_upload/website/files/product-security/osa-… (Mitigation, Vendor Advisory)

Frequently asked questions

What is CVE-2023-28611?: CVE-2023-28611 is a critical-severity vulnerability in Omicronenergy Stationguard, classified under Incorrect Authorization. CVSS score: 9.8/10. Published 2023-03-23.
How severe is CVE-2023-28611?: Critical severity. CVSS v3 base score is 9.8 out of 10.