What is CVE-2026-20997?

CVE-2026-20997 is a critical-severity vulnerability in Samsung Smart Switch, classified under Improper Verification of Cryptographic Signature. CVSS score: 9.8/10. Published 2026-03-16.

How severe is CVE-2026-20997?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Samsung Smart Switch

CVE-2026-20997

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

EPSS: 0.003 (17.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Samsung Smart_switch
Samsung Mobile Smart Switch — versions 3.7.69.15

Weakness classification (CWE)

CWE-347 — Improper Verification of Cryptographic Signature

References

mobile.security@samsung.com (Vendor Advisory)

Frequently asked questions

What is CVE-2026-20997?: CVE-2026-20997 is a critical-severity vulnerability in Samsung Smart Switch, classified under Improper Verification of Cryptographic Signature. CVSS score: 9.8/10. Published 2026-03-16.
How severe is CVE-2026-20997?: Critical severity. CVSS v3 base score is 9.8 out of 10.