CVE-2021-42330 - Vulnerability Details - OpenCVE

The “Teacher Edit” function of ShinHer StudyOnline System does not perform authority control. After logging in with user’s privilege, remote attackers can access and edit other users’ credential and personal information by crafting URL parameters.

No CVSS v4.0

Attack Vector Network

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 Network

Access Complexity Low

Authentication Single

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact None

This CVE is not in the KEV list.

The EPSS score is 0.00175.

Key SSVC decision points have not yet been added.

Vendors	Products
Xinheinformation	Xinhe Teaching Platform System

Configuration 1 [-]

cpe:2.3:a:xinheinformation:xinhe_teaching_platform_system:v2021:*:*:*:*:*:*:*

No data.

No data.

Fixes

Solution

Update ShinHer StudyOnline System to version v2021.08.20.01

Workaround

No workaround given by the vendor.

References

Link	Providers
https://www.twcert.org.tw/tw/cp-132-5200-3d3ca-1.html

History

No history.

MITRE

Status: PUBLISHED

Assigner: twcert

Published: 2021-10-15T12:10:31.314922Z

Updated: 2024-09-16T16:38:14.758Z

Reserved: 2021-10-12T00:00:00

Link: CVE-2021-42330

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-10-15T12:15:07.643

Modified: 2024-11-21T06:27:37.210

Link: CVE-2021-42330

Redhat

No data.

OpenCVE Enrichment

No data.

{"containers": {"cna": {"affected": [{"product": "ShinHer StudyOnline System", "vendor": "ShinHer Information Co., LTD.", "versions": [{"lessThanOrEqual": "2021", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "datePublic": "2021-10-15T00:00:00", "descriptions": [{"lang": "en", "value": "The \u201cTeacher Edit\u201d function of ShinHer StudyOnline System does not perform authority control. After logging in with user\u2019s privilege, remote attackers can access and edit other users\u2019 credential and personal information by crafting URL parameters."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-285", "description": "CWE-285 Improper Authorization", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-10-15T12:10:31", "orgId": "cded6c7f-6ce5-4948-8f87-aa7a3bbb6b0e", "shortName": "twcert"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.twcert.org.tw/tw/cp-132-5200-3d3ca-1.html"}], "solutions": [{"lang": "en", "value": "Update ShinHer StudyOnline System to version v2021.08.20.01"}], "source": {"advisory": "TVN-202110002", "discovery": "EXTERNAL"}, "title": "ShinHer Information Co., LTD. ShinHer StudyOnline System - Improper Authorization-1", "x_generator": {"engine": "Vulnogram 0.0.9"}, "x_legacyV4Record": {"CVE_data_meta": {"AKA": "TWCERT/CC", "ASSIGNER": "cve@cert.org.tw", "DATE_PUBLIC": "2021-10-15T11:38:00.000Z", "ID": "CVE-2021-42330", "STATE": "PUBLIC", "TITLE": "ShinHer Information Co., LTD. ShinHer StudyOnline System - Improper Authorization-1"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "ShinHer StudyOnline System", "version": {"version_data": [{"version_affected": "<=", "version_value": "2021"}]}}]}, "vendor_name": "ShinHer Information Co., LTD."}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "The \u201cTeacher Edit\u201d function of ShinHer StudyOnline System does not perform authority control. After logging in with user\u2019s privilege, remote attackers can access and edit other users\u2019 credential and personal information by crafting URL parameters."}]}, "generator": {"engine": "Vulnogram 0.0.9"}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/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-285 Improper Authorization"}]}]}, "references": {"reference_data": [{"name": "https://www.twcert.org.tw/tw/cp-132-5200-3d3ca-1.html", "refsource": "MISC", "url": "https://www.twcert.org.tw/tw/cp-132-5200-3d3ca-1.html"}]}, "solution": [{"lang": "en", "value": "Update ShinHer StudyOnline System to version v2021.08.20.01"}], "source": {"advisory": "TVN-202110002", "discovery": "EXTERNAL"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T03:30:38.279Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.twcert.org.tw/tw/cp-132-5200-3d3ca-1.html"}]}]}, "cveMetadata": {"assignerOrgId": "cded6c7f-6ce5-4948-8f87-aa7a3bbb6b0e", "assignerShortName": "twcert", "cveId": "CVE-2021-42330", "datePublished": "2021-10-15T12:10:31.314922Z", "dateReserved": "2021-10-12T00:00:00", "dateUpdated": "2024-09-16T16:38:14.758Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:xinheinformation:xinhe_teaching_platform_system:v2021:*:*:*:*:*:*:*", "matchCriteriaId": "0E91C6E5-D003-4CF6-BE92-C7A9722FE749", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "The \u201cTeacher Edit\u201d function of ShinHer StudyOnline System does not perform authority control. After logging in with user\u2019s privilege, remote attackers can access and edit other users\u2019 credential and personal information by crafting URL parameters."}, {"lang": "es", "value": "La funci\u00f3n \"Teacher Editor\" de ShinHer StudyOnline System no lleva a cabo el control de autoridad. Despu\u00e9s de iniciar sesi\u00f3n con el privilegio del usuario, unos atacantes remotos pueden acceder y editar las credenciales y la informaci\u00f3n personal de otros usuarios al dise\u00f1ar par\u00e1metros de URL"}], "id": "CVE-2021-42330", "lastModified": "2024-11-21T06:27:37.210", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "NONE", "baseScore": 5.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 4.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "twcert@cert.org.tw", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.2, "source": "nvd@nist.gov", "type": "Secondary"}]}, "published": "2021-10-15T12:15:07.643", "references": [{"source": "twcert@cert.org.tw", "tags": ["Third Party Advisory"], "url": "https://www.twcert.org.tw/tw/cp-132-5200-3d3ca-1.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.twcert.org.tw/tw/cp-132-5200-3d3ca-1.html"}], "sourceIdentifier": "twcert@cert.org.tw", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-285"}], "source": "twcert@cert.org.tw", "type": "Secondary"}, {"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}]}