CVE-2023-36609

Name: CVE-2023-36609
Creator: NVD / NIST
Published: 2023-07-03T20:15:09.537+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.2/10EPSS 0.55%

Last modified Jun 17, 2026

CVE-2023-36609 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. 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. . EPSS estimates a 0.55% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

7.2/10

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.55%

42.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Ovarro	Tbox Ms-Cpu32 Firmware	<= 1.50.598
Ovarro	Tbox Ms-Cpu32-S2 Firmware	<= 1.50.598
Ovarro	Tbox Lt2 Firmware	<= 1.50.598
Ovarro	Tbox Tg2 Firmware	<= 1.50.598
Ovarro	Tbox Rm2 Firmware	<= 1.50.598

References

https://www.cisa.gov/news-events/ics-advisories/icsa-23-180-03Mitigation, Third Party Advisory, US Government Resource
https://www.cisa.gov/news-events/ics-advisories/icsa-23-180-03Mitigation, Third Party Advisory, US Government Resource

Timeline

Published: Jul 3, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-36609?

How severe is CVE-2023-36609?

CVE-2023-36609 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 0.55% probability of exploitation in the next 30 days.

How do I fix CVE-2023-36609?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-36609?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST