CVE-2026-21134

MEDIUM CVSS 4.0: 6.1 EPSS 0.19%
Updated Oct 12, 2026
Samsung Mobile
Parameter Value
CVSS 6.1 (MEDIUM)
Affected Versions before 4.9.22.4
Type CWE-287: Improper Authentication
Vendor Samsung Mobile
Public PoC No

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

Attack Parameters

Attack Vector
Adjacent
Requires local network access
Attack Complexity
Low
Easy to exploit
Attack Requirements
Present
Additional conditions required
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
Low
Partial data modification
Availability
Low
Partial disruption

CVSS Vector v4.0

Vulnerable Products

samsung mobile:samsung flow