CVE-2023-22331 Use of default credentials vulnerability in CONPROSYS HMI System (CHS) Ver.3.4.5 and earlier allows a remote unauthenticated attacker to alter user credentials information.

HighCVSS 7.5 EPSS 1.1%

Published: 2023-01-20 20:58 (approximate time: when CVE Radar first recorded it)
Updated: 2026-06-17 08:35
Exploit status: No public exploit known

Description

Use of default credentials vulnerability in CONPROSYS HMI System (CHS) Ver.3.4.5 and earlier allows a remote unauthenticated attacker to alter user credentials information.

Affected products

Product	Affected versions	Fixed in
Contec Co., Ltd. CONPROSYS HMI System (CHS)	= Ver.3.4.5 and earlier	No fix listed
Contec Co., Ltd. CONPROSYS HMI System	<= 3.4.5	No fix listed

References

www.contec.com patch vendor-advisory
www.contec.com patch vendor-advisory
jvn.jp patch third-party-advisory
www.cisa.gov third-party-advisory us-government-resource

CVSS v3.1

7.5 High

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

Attack Vector: Network
Attack Complexity: Low
Privileges Required: None
User Interaction: None
Scope: Unchanged
Confidentiality: None
Integrity: High
Availability: None

All scores (2)

v3.1 7.5 · nvd@nist.gov
v3.1 7.5 · cisa-adp

Weakness & likelihood

EPSS (exploitation probability, 30 days): 1.05% (percentile 64.9)
CWE: CWE-269 Improper Privilege Management

Public exploit references

Metadata only. CVERadar never hosts or runs exploit code.

No public exploit references known.