CVE-2023-2758 - Vulnerability Details - OpenCVE

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.

Published: 2023-05-31

Score: 3.7 Low

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

No analysis available yet.

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 remediation available yet.

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.

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.

The EPSS score is 0.00309.

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

Thu, 09 Jan 2025 21:15:00 +0000

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

Subscriptions

Contec Conprosys Hmi System

MITRE

Status: PUBLISHED

Assigner: tenable

Published: 2023-05-31T14:09:49.809Z

Updated: 2025-01-09T20:26:25.295Z

Reserved: 2023-05-17T12:46:36.673Z

Link: CVE-2023-2758

Vulnrichment

Updated: 2024-08-02T06:33:05.476Z

NVD

Status : Modified

Published: 2023-05-31T15:15:09.473

Modified: 2024-11-21T07:59:14.063

Link: CVE-2023-2758

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2023-2758", "assignerOrgId": "5ac1ecc2-367a-4d16-a0b2-35d495ddd0be", "state": "PUBLISHED", "assignerShortName": "tenable", "dateReserved": "2023-05-17T12:46:36.673Z", "datePublished": "2023-05-31T14:09:49.809Z", "dateUpdated": "2025-01-09T20:26:25.295Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "CONPROSYS HMI System", "vendor": "Contec", "versions": [{"lessThanOrEqual": "3.5.2", "status": "affected", "version": "0", "versionType": "custom"}]}], "datePublic": "2023-05-31T14:08:00.000Z", "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "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."}], "value": "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": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 3.7, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-799", "description": "CWE-799", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "5ac1ecc2-367a-4d16-a0b2-35d495ddd0be", "shortName": "tenable", "dateUpdated": "2023-05-31T14:09:49.809Z"}, "references": [{"url": "https://www.tenable.com/security/research/tra-2023-21"}, {"url": "https://jvn.jp/en/vu/JVNVU93372935/index.html"}], "source": {"discovery": "UNKNOWN"}, "title": "Contec CONPROSYS HMI System (CHS) v3.5.2 Denial of Service", "x_generator": {"engine": "Vulnogram 0.1.0-dev"}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T06:33:05.476Z"}, "title": "CVE Program Container", "references": [{"url": "https://www.tenable.com/security/research/tra-2023-21", "tags": ["x_transferred"]}, {"url": "https://jvn.jp/en/vu/JVNVU93372935/index.html", "tags": ["x_transferred"]}]}, {"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-01-09T20:25:29.496343Z", "id": "CVE-2023-2758", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-01-09T20:26:25.295Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://www.tenable.com/security/research/tra-2023-21", "tags": ["x_transferred"]}, {"url": "https://jvn.jp/en/vu/JVNVU93372935/index.html", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T06:33:05.476Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2023-2758", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2025-01-09T20:25:29.496343Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-01-09T20:26:16.786Z"}}], "cna": {"title": "Contec CONPROSYS HMI System (CHS) v3.5.2 Denial of Service", "source": {"discovery": "UNKNOWN"}, "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 3.7, "attackVector": "NETWORK", "baseSeverity": "LOW", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "Contec", "product": "CONPROSYS HMI System", "versions": [{"status": "affected", "version": "0", "versionType": "custom", "lessThanOrEqual": "3.5.2"}], "defaultStatus": "unaffected"}], "datePublic": "2023-05-31T14:08:00.000Z", "references": [{"url": "https://www.tenable.com/security/research/tra-2023-21"}, {"url": "https://jvn.jp/en/vu/JVNVU93372935/index.html"}], "x_generator": {"engine": "Vulnogram 0.1.0-dev"}, "descriptions": [{"lang": "en", "value": "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.", "supportingMedia": [{"type": "text/html", "value": "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.", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-799", "description": "CWE-799"}]}], "providerMetadata": {"orgId": "5ac1ecc2-367a-4d16-a0b2-35d495ddd0be", "shortName": "tenable", "dateUpdated": "2023-05-31T14:09:49.809Z"}}}, "cveMetadata": {"cveId": "CVE-2023-2758", "state": "PUBLISHED", "dateUpdated": "2025-01-09T20:26:25.295Z", "dateReserved": "2023-05-17T12:46:36.673Z", "assignerOrgId": "5ac1ecc2-367a-4d16-a0b2-35d495ddd0be", "datePublished": "2023-05-31T14:09:49.809Z", "assignerShortName": "tenable"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:contec:conprosys_hmi_system:*:*:*:*:*:*:*:*", "matchCriteriaId": "E75EB317-708F-4E02-B521-C788934DFB97", "versionEndExcluding": "3.5.3", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "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."}], "id": "CVE-2023-2758", "lastModified": "2024-11-21T07:59:14.063", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 3.7, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 1.4, "source": "vulnreport@tenable.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2023-05-31T15:15:09.473", "references": [{"source": "vulnreport@tenable.com", "tags": ["Third Party Advisory"], "url": "https://jvn.jp/en/vu/JVNVU93372935/index.html"}, {"source": "vulnreport@tenable.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://www.tenable.com/security/research/tra-2023-21"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://jvn.jp/en/vu/JVNVU93372935/index.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://www.tenable.com/security/research/tra-2023-21"}], "sourceIdentifier": "vulnreport@tenable.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-799"}], "source": "vulnreport@tenable.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}]}