What is CVE-2023-36611?

CVE-2023-36611 is a medium-severity vulnerability in Ovarro Tbox Lt2, classified under Improper Authorization. CVSS score: 6.5/10. Published 2023-07-03.

How severe is CVE-2023-36611?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Auth bypass in Ovarro Tbox Lt2

CVE-2023-36611

The affected TBox RTUs allow low privilege users to access software security tokens of higher privilege. This could allow an attacker with “user” privileges to access files requiring higher privileges by establishing an SSH session and providing the other tokens.

Published 2023-07-03 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.005 (41.1th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 41.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-285 — Improper Authorization

References

www.cisa.gov/news-events/ics-advisories/icsa-23-180-03 (US Government Resource, Third Party Advisory, government-resource, Mitigation)

Frequently asked questions

What is CVE-2023-36611?: CVE-2023-36611 is a medium-severity vulnerability in Ovarro Tbox Lt2, classified under Improper Authorization. CVSS score: 6.5/10. Published 2023-07-03.
How severe is CVE-2023-36611?: Medium severity. CVSS v3 base score is 6.5 out of 10.