CVE-2026-20996

| EUVD-2026-12309 HIGH
2026-03-16 SamsungMobile
7.1
CVSS 4.0
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CVSS Vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
P
Scope
X

Lifecycle Timeline

3
Analysis Generated
Mar 16, 2026 - 05:00 vuln.today
EUVD ID Assigned
Mar 16, 2026 - 05:00 euvd
EUVD-2026-12309
CVE Published
Mar 16, 2026 - 04:32 nvd
HIGH 7.1

Tags

Information Disclosure

Description

Use of a broken or risky cryptographic algorithm in Smart Switch prior to version 3.7.69.15 allows remote attackers to configure a downgraded scheme for authentication.

Analysis

A cryptographic downgrade vulnerability in Samsung Smart Switch allows remote attackers to force the application to use weak authentication schemes during device-to-device transfers. The vulnerability affects Smart Switch versions prior to 3.7.69.15 and requires user interaction to exploit, potentially exposing sensitive data during the transfer process between Samsung devices. …

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Remediation

Within 24 hours: Inventory Samsung devices using Smart Switch and assess frequency of device-to-device transfers in your environment. Within 7 days: Issue guidance to users recommending they avoid public/untrusted networks during Smart Switch operations and consider postponing non-critical device transfers. …

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Priority Score

36
Low Medium High Critical
KEV: 0
EPSS: +0.2
CVSS: +36
POC: 0

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CVE-2026-20996 vulnerability details – vuln.today
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