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CVE-2026-20997

Samsung Smart Switch authentication bypass

9.8 CRITICALEPSS 0.26%
  1. Published16 Mar 2026

Description

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

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Samsung Smart Switch< 3.7.69.15

Remediation

Fixed in
Samsung Smart Switch≥ 3.7.69.15

References

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Frequently asked

Is CVE-2026-20997 being actively exploited?

CVE-2026-20997 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.26%.

How severe is CVE-2026-20997?

CVE-2026-20997 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 0.26% probability of exploitation.

Which products are affected by CVE-2026-20997?

Affected products include Samsung Smart Switch.

How do I fix CVE-2026-20997?

Upgrade affected software to a fixed version, for example Samsung Smart Switch 3.7.69.15 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-20997 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.