What is CVE-2023-28399?

CVE-2023-28399 is a high-severity vulnerability in Contec Conprosys Hmi System, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 7.8/10. Published 2023-06-01.

How severe is CVE-2023-28399?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Contec Conprosys Hmi System

CVE-2023-28399

Incorrect permission assignment for critical resource exists in CONPROSYS HMI System (CHS) versions prior to 3.5.3. ACL (Access Control List) is not appropriately set to the local folder where the affected product is installed, therefore a wide range of privileges is permitted to a user of the PC where the affected product is installed. As a result, the user may be able to destroy the system and/or execute a malicious program.

EPSS: 0.002 (7.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Contec Conprosys_hmi_system
Contec Co., Ltd. Conprosys Hmi System (Chs) — versions versions prior to 3.5.3

Weakness classification (CWE)

CWE-732 — Incorrect Permission Assignment for Critical Resource

References

vultures@jpcert.or.jp (Vendor Advisory)
vultures@jpcert.or.jp (Vendor Advisory)
vultures@jpcert.or.jp (Third Party Advisory)

Frequently asked questions

What is CVE-2023-28399?: CVE-2023-28399 is a high-severity vulnerability in Contec Conprosys Hmi System, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 7.8/10. Published 2023-06-01.
How severe is CVE-2023-28399?: High severity. CVSS v3 base score is 7.8 out of 10.