Improper authentication in Samsung Flow prior to version 4.9.22.4 allows adjacent attackers to access sensitive information.

Metrics

Attack Vector Adjacent Network

Attack Complexity Low

Privileges Required None

Attack Requirements Present

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
Samsung Mobile
  • Samsung Flow

No data.

No data.

References
Link Providers
https://security.samsungmobile.com/serviceWeb.smsb?year=2026&month=10 cve-icon cve-icon
History

Sat, 17 Oct 2026 10:45:00 +0000

Type Values Removed Values Added
Title Improper Authentication Enables Adjacent Attackers to Access Sensitive Data in Samsung Flow

Sat, 17 Oct 2026 09:15:00 +0000

Type Values Removed Values Added
Title Samsung Flow Improper Authentication Enables Local Disclosure of Sensitive Information
Weaknesses CWE-285

Fri, 16 Oct 2026 17:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-287
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Tue, 13 Oct 2026 08:15:00 +0000

Type Values Removed Values Added
First Time appeared Samsung Mobile
Samsung Mobile samsung Flow
Vendors & Products Samsung Mobile
Samsung Mobile samsung Flow

Mon, 12 Oct 2026 07:00:00 +0000

Type Values Removed Values Added
Title Samsung Flow Improper Authentication Enables Local Disclosure of Sensitive Information
Weaknesses CWE-285

Mon, 12 Oct 2026 05:00:00 +0000

Type Values Removed Values Added
Description Improper authentication in Samsung Flow prior to version 4.9.22.4 allows adjacent attackers to access sensitive information.
References
Metrics cvssV4_0

{'score': 6.1, 'vector': 'CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N'}
cve-icon MITRE

Status: PUBLISHED

Assigner: SamsungMobile

Published: 2026-10-12T04:57:52.541Z

Updated: 2026-10-16T16:19:33.115Z

Reserved: 2025-12-11T01:33:35.833Z

Link: CVE-2026-21134

cve-icon Vulnrichment

Updated: 2026-10-16T16:19:27.923Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-12T05:17:02.163

Modified: 2026-10-16T17:17:34.140

Link: CVE-2026-21134

cve-icon Redhat

No data.