CVE-2026-20996

Severity CVSS v4.0:

HIGH

Type:

Unavailable / Other

Publication date:

16/03/2026

Last modified:

16/03/2026

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.

Impact

Vector 4.0

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 CVSS v4.0 Severity and Metrics:

Base Score: 7.10 HIGH
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

Attack Vector (AV): Network
Attack Complexity (AC): Low
Attack Requirements (AT): None
Privileges Required (PR): None
User Interaction (UI): Passsive
Confidentiality (VC): High
Integrity (VI): None
Availability (VA): None
Confidentiality (SC): None
Integrity (SI): None
Availability (SA): None

Base Score 4.0

7.10

Severity 4.0

HIGH

References to Advisories, Solutions, and Tools

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