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CVE-2026-20999

HIGH CVSS 4.0: 7.1 EPSS 0.32%
Updated Mar 31, 2026
Samsung
Parameter Value
CVSS 7.1 (HIGH)
Affected Versions before 3.7.69.15
Fixed In 3.7.69.15
Type CWE-294 (Authentication Bypass by Capture-Replay)
Vendor Samsung
Public PoC No

Authentication bypass by replay in Smart Switch prior to version 3.7.69.15 allows remote attackers to trigger privileged functions.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
Passive
Minimal interaction

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
None
No data modification
Availability
None
No disruption

CVSS Vector v4.0

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Samsung Smart_Switch
cpe:2.3:a:samsung:smart_switch:*:*:*:*:*:*:*:*
3.7.69.15