What is CVE-2023-33363?

CVE-2023-33363 is a high-severity vulnerability in Supremainc Biostar 2, classified under Improper Authentication. CVSS score: 7.5/10. Published 2023-08-03.

How severe is CVE-2023-33363?

High severity. CVSS v3 base score is 7.5 out of 10.

Auth bypass in Supremainc Biostar 2

CVE-2023-33363

An authentication bypass vulnerability exists in Suprema BioStar 2 before 2.9.1, which allows unauthenticated users to access some functionality on BioStar 2 servers.

Vulnerability class: Broken Authentication

Published 2023-08-03 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.006 (46.2th percentile), scored 2026-10-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 46.2% 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

Supremainc Biostar 2

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

kb.supremainc.com/knowledge/doku.php (Release Notes, Vendor Advisory)
claroty.com/team82/disclosure-dashboard/cve-2023-33363 (Third Party Advisory)

Frequently asked questions

What is CVE-2023-33363?: CVE-2023-33363 is a high-severity vulnerability in Supremainc Biostar 2, classified under Improper Authentication. CVSS score: 7.5/10. Published 2023-08-03.
How severe is CVE-2023-33363?: High severity. CVSS v3 base score is 7.5 out of 10.