CVE-2026-20997 | BDVDB-2026-320774 Detail

SamsungSmart Switch

Description#

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

Impact#

Per CVSS v4.0: confidentiality impact low, integrity impact none, availability impact none. Attack vector: network.

Weaknesses#

CWE-347 Improper Verification of Cryptographic Signature

References#

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

Exploit#

No public exploit known

History#

Version 12026-03-16Record published in the CVE List.

Published

Published: 2026-03-16
Last modified: 2026-03-16

Vendor information

Vendor: Samsung
Product: Smart Switch

All Samsung vulnerabilities

Score

5.3 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 19.7.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
Not stated
Fixed
3.7.69.15

Scoring System

CVSS v4.0

5.3 Medium

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Attack Requirements	None
Privileges Required	None
User Interaction	Passive
Vulnerable System Confidentiality	Low
Vulnerable System Integrity	None
Vulnerable System Availability	None
Subsequent System Confidentiality	None
Subsequent System Integrity	None
Subsequent System Availability	None

CVSS v3.1

Not available

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).