CVE-2023-2758

Contec CONPROSYS HMI System (CHS) v3.5.2 Denial of Service

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Published May 31, 2023 CVSS 3.1 · 3.7 Low EPSS 1.0% KEV · Not listed

Description

A denial of service vulnerability exists in Contec CONPROSYS HMI System versions 3.5.2 and prior. When there is a time-zone mismatch in certain configuration files, a remote, unauthenticated attacker may deny logins for an extended period of time.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Contec

CONPROSYS HMI System

unaffected

Version	Status	Constraints
`0`	affected	≤ 3.5.2

Configuration 1 [-]

cpe:2.3:a:contec:conprosys_hmi_system:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2023-34216	A denial of service vulnerability exists in Contec CONPROSYS HMI System versions 3.5.2 and prior. When there is a time-zone mismatch in certain configuration files, a remote, unauthenticated attacker may deny logins for an extended period of time.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: 1.0% (1.040% probability within 30 days)

Exploitation none

Automatable no

Technical Impact partial

References

Link	Providers
https://jvn.jp/en/vu/JVNVU93372935/index.html
https://www.tenable.com/security/research/tra-2023-21

History

Jan 9, 2025 9:15 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Subscriptions

Contec Conprosys Hmi System

Weaknesses

Sources

CVE record Updated: Jan 9, 2025, 8:26 PM

Status: PUBLISHED
Assigner: tenable
Published: May 31, 2023, 2:09 PM
Updated: Jan 9, 2025, 8:26 PM
Reserved: May 17, 2023, 12:46 PM

View source JSON

Vulnrichment Updated: Aug 2, 2024, 6:33 AM

Updated: Aug 2, 2024, 6:33 AM

NVD Updated: Jun 17, 2026, 5:53 AM

Status: Modified
Published: May 31, 2023, 3:15 PM
Modified: Jun 17, 2026, 5:53 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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