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CVE-2021-26638 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:9.8 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CNA: [email protected]CVSS-B:7.3 HIGHVector:CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=66783	CVE	Third Party AdvisoryVDB Entry
https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=66783	[email protected]	Third Party AdvisoryVDB Entry

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-287	Improper Authentication	[email protected]
CWE-287	Improper Authentication	[email protected]

Affected Products

Product	Versions
xisnd s&d smarthome	<= 3.2.48
CPE cpe:2.3:a:xisnd:s&d_smarthome::::::android::* Remediation No remediation found in references.

Change History

4 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Jun 30, 2022	Initial Analysis	[email protected]