What is CVE-2023-36609?

CVE-2023-36609 is a high-severity vulnerability in Ovarro Tbox Lt2, classified under Inclusion of Functionality from Untrusted Control Sphere. CVSS score: 7.2/10. Published 2023-07-03.

How severe is CVE-2023-36609?

High severity. CVSS v3 base score is 7.2 out of 10.

Vulnerability in Ovarro Tbox Lt2

CVE-2023-36609

The affected TBox RTUs run OpenVPN with root privileges and can run user defined configuration scripts. An attacker could set up a local OpenVPN server and push a malicious script onto the TBox host to acquire root privileges.

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

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.007 (51.2th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 51.2% 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

Weakness classification (CWE)

CWE-829 — Inclusion of Functionality from Untrusted Control Sphere

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-2023-36609?: CVE-2023-36609 is a high-severity vulnerability in Ovarro Tbox Lt2, classified under Inclusion of Functionality from Untrusted Control Sphere. CVSS score: 7.2/10. Published 2023-07-03.
How severe is CVE-2023-36609?: High severity. CVSS v3 base score is 7.2 out of 10.