Insufficiently protected credentials issue exists in Remote I/O Coupler Unit (Server Type) CPSN-MCB271-*. If this vulnerability is exploited, sensitive information may be restored from a backup file.

Metrics

Attack Vector Network

Attack Complexity High

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity High

Privileges Required Low

Scope Changed

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
Contec
  • Remote I/o Coupler Unit (server Type) Cpsn-mcb271-*

No data.

No data.

References
Link Providers
https://jvn.jp/en/vu/JVNVU96551518/ cve-icon cve-icon
https://www.contec.com/api/downloadlogger?download=/-/media/Contec/support/security-info/2026/contec_security_cps_26091000_en.pdf cve-icon cve-icon
History

Thu, 17 Sep 2026 20:30:00 +0000

Type Values Removed Values Added
First Time appeared Contec
Contec remote I/o Coupler Unit (server Type) Cpsn-mcb271-*
Vendors & Products Contec
Contec remote I/o Coupler Unit (server Type) Cpsn-mcb271-*

Tue, 15 Sep 2026 15:45:00 +0000

Type Values Removed Values Added
Title Insufficiently Protected Credentials Lead to Sensitive Information Exposure in Contec Remote I/O Coupler Unit

Mon, 14 Sep 2026 21:30:00 +0000

Type Values Removed Values Added
Title Credentials Vulnerability in Contec CPSN‑MCB271 Enables Sensitive Data Retrieval

Mon, 14 Sep 2026 12:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Mon, 14 Sep 2026 11:00:00 +0000

Type Values Removed Values Added
Title Credentials Vulnerability in Contec CPSN‑MCB271 Enables Sensitive Data Retrieval

Mon, 14 Sep 2026 07:00:00 +0000

Type Values Removed Values Added
Description Insufficiently protected credentials issue exists in Remote I/O Coupler Unit (Server Type) CPSN-MCB271-*. If this vulnerability is exploited, sensitive information may be restored from a backup file.
Weaknesses CWE-522
References
Metrics cvssV3_1

{'score': 6.3, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N'}

cvssV4_0

{'score': 8.2, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N'}
cve-icon MITRE

Status: PUBLISHED

Assigner: jpcert

Published: 2026-09-14T06:43:58.561Z

Updated: 2026-09-14T11:19:46.932Z

Reserved: 2026-08-31T02:30:58.278Z

Link: CVE-2026-82786

cve-icon Vulnrichment

Updated: 2026-09-14T11:13:57.730Z

cve-icon NVD

Status : Deferred

Published: 2026-09-14T07:17:20.510

Modified: 2026-09-16T19:27:25.623

Link: CVE-2026-82786

cve-icon Redhat

No data.