CVE-2021-26638 - Vulnerability Details - OpenCVE

Description

Improper Authentication vulnerability in S&D smarthome(smartcare) application can cause authentication bypass and information exposure. Remote attackers can use this vulerability to take control of the home environment including indoor control.

Published: 2022-06-22

Score: 7.3 High

EPSS: 2.3% 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

Xi S&D Inc.

S&D smarthome (smartcare)

affected

Version	Status	Constraints
`unspecified`	affected	≤ 3.2.48

Configuration 1 [-]

cpe:2.3:a:xisnd:s\&d_smarthome:*:*:*:*:*:android:*:*

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-2021-13432	Improper Authentication vulnerability in S&D smarthome(smartcare) application can cause authentication bypass and information exposure. Remote attackers can use this vulerability to take control of the home environment including indoor control.

No CVSS v4.0

Attack Vector Adjacent Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact None

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Complete

Integrity Impact Complete

Availability Impact Complete

This CVE is not in the KEV list.

The EPSS score is 0.02264.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=66783

History

No history.

Subscriptions

Xisnd S\&d Smarthome

MITRE

Status: PUBLISHED

Assigner: krcert

Published: 2022-06-22T13:55:59.000Z

Updated: 2024-08-03T20:26:25.500Z

Reserved: 2021-02-03T00:00:00.000Z

Link: CVE-2021-26638

Vulnrichment

No data.

NVD

Status : Modified

Published: 2022-06-23T17:15:11.280

Modified: 2024-11-21T05:56:38.573

Link: CVE-2021-26638

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-287

{"containers": {"cna": {"affected": [{"platforms": ["Android"], "product": "S&D smarthome (smartcare)", "vendor": "Xi S&D Inc.", "versions": [{"lessThanOrEqual": "3.2.48", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "Improper Authentication vulnerability in S&D smarthome(smartcare) application can cause authentication bypass and information exposure. Remote attackers can use this vulerability to take control of the home environment including indoor control."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "NONE", "baseScore": 7.3, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-287", "description": "CWE-287 Improper Authentication", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2022-06-22T13:55:59.000Z", "orgId": "cdd7a122-0fae-4202-8d86-14efbacc2863", "shortName": "krcert"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=66783"}], "source": {"discovery": "UNKNOWN"}, "title": "Xi Smarthome wallpad authentication bypass vulnerability", "x_generator": {"engine": "Vulnogram 0.0.9"}, "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "vuln@krcert.or.kr", "ID": "CVE-2021-26638", "STATE": "PUBLIC", "TITLE": "Xi Smarthome wallpad authentication bypass vulnerability"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "S&D smarthome (smartcare)", "version": {"version_data": [{"platform": "Android", "version_affected": "<=", "version_value": "3.2.48"}]}}]}, "vendor_name": "Xi S&D Inc."}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Improper Authentication vulnerability in S&D smarthome(smartcare) application can cause authentication bypass and information exposure. Remote attackers can use this vulerability to take control of the home environment including indoor control."}]}, "generator": {"engine": "Vulnogram 0.0.9"}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "NONE", "baseScore": 7.3, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-287 Improper Authentication"}]}]}, "references": {"reference_data": [{"name": "https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=66783", "refsource": "MISC", "url": "https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=66783"}]}, "source": {"discovery": "UNKNOWN"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T20:26:25.500Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=66783"}]}]}, "cveMetadata": {"assignerOrgId": "cdd7a122-0fae-4202-8d86-14efbacc2863", "assignerShortName": "krcert", "cveId": "CVE-2021-26638", "datePublished": "2022-06-22T13:55:59.000Z", "dateReserved": "2021-02-03T00:00:00.000Z", "dateUpdated": "2024-08-03T20:26:25.500Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:xisnd:s\\&d_smarthome:*:*:*:*:*:android:*:*", "matchCriteriaId": "7F14E04B-6841-4ED0-803D-AFB8781ED608", "versionEndIncluding": "3.2.48", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "Improper Authentication vulnerability in S&D smarthome(smartcare) application can cause authentication bypass and information exposure. Remote attackers can use this vulerability to take control of the home environment including indoor control."}, {"lang": "es", "value": "Una vulnerabilidad de autenticaci\u00f3n inapropiada en la aplicaci\u00f3n S&D smarthome(smartcare) que puede causar una omisi\u00f3n de autenticaci\u00f3n y exposici\u00f3n de informaci\u00f3n. Los atacantes remotos pueden usar esta vulnerabilidad para tomar el control del entorno dom\u00e9stico, incluyendo el control interior"}], "id": "CVE-2021-26638", "lastModified": "2024-11-21T05:56:38.573", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 10.0, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "NONE", "baseScore": 7.3, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.1, "impactScore": 5.2, "source": "vuln@krcert.or.kr", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-06-23T17:15:11.280", "references": [{"source": "vuln@krcert.or.kr", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=66783"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=66783"}], "sourceIdentifier": "vuln@krcert.or.kr", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-287"}], "source": "vuln@krcert.or.kr", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-287"}], "source": "nvd@nist.gov", "type": "Primary"}]}