CVE-2021-38420 - Vulnerability Details - OpenCVE

Description

Delta Electronics DIALink versions 1.2.4.0 and prior default permissions give extensive permissions to low-privileged user accounts, which may allow an attacker to modify the installation directory and upload malicious files.

Published: 2021-11-03

Score: 7.8 High

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

Delta Electronics

DIALink

affected

Version	Status	Constraints
`All`	affected	≤ 1.2.4.0

Configuration 1 [-]

cpe:2.3:a:deltaww:dialink:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

Vendor Workaround

Delta Electronics is aware of the vulnerabilities and is currently working on an update.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2021-24872	Delta Electronics DIALink versions 1.2.4.0 and prior default permissions give extensive permissions to low-privileged user accounts, which may allow an attacker to modify the installation directory and upload malicious files.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Local

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00031.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://us-cert.cisa.gov/ics/advisories/icsa-21-294-02

History

No history.

Subscriptions

Deltaww Dialink

MITRE

Status: PUBLISHED

Assigner: icscert

Published: 2021-11-03T19:05:35.434Z

Updated: 2024-09-16T18:08:35.145Z

Reserved: 2021-08-10T00:00:00.000Z

Link: CVE-2021-38420

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-11-03T20:15:08.720

Modified: 2024-11-21T06:17:03.280

Link: CVE-2021-38420

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

{"containers": {"cna": {"affected": [{"product": "DIALink", "vendor": "Delta Electronics", "versions": [{"lessThanOrEqual": "1.2.4.0", "status": "affected", "version": "All", "versionType": "custom"}]}], "credits": [{"lang": "en", "value": "Michael Heinzl reported these vulnerabilities to CISA."}], "datePublic": "2021-10-21T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "Delta Electronics DIALink versions 1.2.4.0 and prior default permissions give extensive permissions to low-privileged user accounts, which may allow an attacker to modify the installation directory and upload malicious files."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-427", "description": "CWE-427 Uncontrolled Search Path Element", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-11-03T19:05:35.000Z", "orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "shortName": "icscert"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-294-02"}], "source": {"advisory": "ICSA-21-294-02", "discovery": "UNKNOWN"}, "title": "Delta Electronics DIALink", "workarounds": [{"lang": "en", "value": "Delta Electronics is aware of the vulnerabilities and is currently working on an update."}], "x_generator": {"engine": "Vulnogram 0.0.9"}, "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "ics-cert@hq.dhs.gov", "DATE_PUBLIC": "2021-10-21T18:29:00.000Z", "ID": "CVE-2021-38420", "STATE": "PUBLIC", "TITLE": "Delta Electronics DIALink"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "DIALink", "version": {"version_data": [{"version_affected": "<=", "version_name": "All", "version_value": "1.2.4.0"}]}}]}, "vendor_name": "Delta Electronics"}]}}, "credit": [{"lang": "eng", "value": "Michael Heinzl reported these vulnerabilities to CISA."}], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Delta Electronics DIALink versions 1.2.4.0 and prior default permissions give extensive permissions to low-privileged user accounts, which may allow an attacker to modify the installation directory and upload malicious files."}]}, "generator": {"engine": "Vulnogram 0.0.9"}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-427 Uncontrolled Search Path Element"}]}]}, "references": {"reference_data": [{"name": "https://us-cert.cisa.gov/ics/advisories/icsa-21-294-02", "refsource": "MISC", "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-294-02"}]}, "source": {"advisory": "ICSA-21-294-02", "discovery": "UNKNOWN"}, "work_around": [{"lang": "en", "value": "Delta Electronics is aware of the vulnerabilities and is currently working on an update."}]}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T01:44:22.452Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-294-02"}]}]}, "cveMetadata": {"assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "assignerShortName": "icscert", "cveId": "CVE-2021-38420", "datePublished": "2021-11-03T19:05:35.434Z", "dateReserved": "2021-08-10T00:00:00.000Z", "dateUpdated": "2024-09-16T18:08:35.145Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:deltaww:dialink:*:*:*:*:*:*:*:*", "matchCriteriaId": "A2B37F1B-6DB2-4F02-A633-27D40E524D24", "versionEndIncluding": "1.2.4.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "Delta Electronics DIALink versions 1.2.4.0 and prior default permissions give extensive permissions to low-privileged user accounts, which may allow an attacker to modify the installation directory and upload malicious files."}, {"lang": "es", "value": "Delta Electronics DIALink versiones 1.2.4.0 y anteriores, los permisos predeterminados otorgan amplios permisos a cuentas de usuario con pocos privilegios, que puede permitir a un atacante modificar el directorio de instalaci\u00f3n y cargar archivos maliciosos"}], "id": "CVE-2021-38420", "lastModified": "2024-11-21T06:17:03.280", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.6, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "ics-cert@hq.dhs.gov", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-11-03T20:15:08.720", "references": [{"source": "ics-cert@hq.dhs.gov", "tags": ["Third Party Advisory", "US Government Resource"], "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-294-02"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "US Government Resource"], "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-294-02"}], "sourceIdentifier": "ics-cert@hq.dhs.gov", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-427"}], "source": "ics-cert@hq.dhs.gov", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-276"}], "source": "nvd@nist.gov", "type": "Primary"}]}