CVE-2026-20997

CRITICAL

Samsung Mobile Smart Switch <3.7.69.15 - Auth Bypass

Title source: llm

Description

Improper verification of cryptographic signature in Smart Switch prior to version 3.7.69.15 allows remote attackers to potentially bypass authentication.

References (1)

Core 1

Core References

https://security.samsungmobile.com/serviceWeb.smsb?year=2026&month=03

Scores

CVSS v3 9.8

EPSS 0.0011

EPSS Percentile 29.4%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-347

Status published

Products (2)

samsung/smart_switch < 3.7.69.15

Samsung Mobile/Smart Switch 3.7.69.15

Published Mar 16, 2026

Tracked Since Mar 16, 2026