What is CVE-2022-44456?

CVE-2022-44456 is a critical-severity vulnerability in Contec Conprosys_hmi_system, classified under OS Command Injection. CVSS score: 9.8/10. Published 2022-12-19.

How severe is CVE-2022-44456?

Critical severity. CVSS v3 base score is 9.8 out of 10.

RCE in Contec Conprosys_hmi_system

CVE-2022-44456

CONPROSYS HMI System (CHS) Ver.3.4.4?and earlier allows a remote unauthenticated attacker to execute an arbitrary OS command on the server where the product is running by sending a specially crafted request.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.699 (99.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Contec Conprosys_hmi_system
Contec Co., Ltd. Conprosys Hmi System (Chs) — versions Ver.3.4.4?and earlier

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

vultures@jpcert.or.jp (Vendor Advisory)
vultures@jpcert.or.jp (Patch, Vendor Advisory)
vultures@jpcert.or.jp (VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2022-44456?: CVE-2022-44456 is a critical-severity vulnerability in Contec Conprosys_hmi_system, classified under OS Command Injection. CVSS score: 9.8/10. Published 2022-12-19.
How severe is CVE-2022-44456?: Critical severity. CVSS v3 base score is 9.8 out of 10.