What is CVE-2023-22339?

CVE-2023-22339 is a high-severity vulnerability in Contec Conprosys_hmi_system, classified under Improper Access Control. CVSS score: 7.5/10. Published 2023-01-20.

How severe is CVE-2023-22339?

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

Vulnerability in Contec Conprosys_hmi_system

CVE-2023-22339

Improper access control vulnerability in CONPROSYS HMI System (CHS) Ver.3.4.5 and earlier allows a remote unauthenticated attacker to bypass access restriction and obtain the server certificate including the private key of the product.

EPSS: 0.011 (63.0th percentile) — read the EPSS interpretation.

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:H/I:N/A:N.

Affected products

Contec Conprosys_hmi_system
Contec Co., Ltd. Conprosys Hmi System (Chs) — versions Ver.3.4.5 and earlier

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

vultures@jpcert.or.jp (Patch, Vendor Advisory)
vultures@jpcert.or.jp (Patch, Vendor Advisory)
vultures@jpcert.or.jp (Patch, Third Party Advisory)
vultures@jpcert.or.jp (US Government Resource, Third Party Advisory)

Frequently asked questions

What is CVE-2023-22339?: CVE-2023-22339 is a high-severity vulnerability in Contec Conprosys_hmi_system, classified under Improper Access Control. CVSS score: 7.5/10. Published 2023-01-20.
How severe is CVE-2023-22339?: High severity. CVSS v3 base score is 7.5 out of 10.