What is CVE-2026-20996?

CVE-2026-20996 is a medium-severity vulnerability in Samsung Smart Switch, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 5.3/10. Published 2026-03-16.

How severe is CVE-2026-20996?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Samsung Smart Switch

CVE-2026-20996

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.

Vulnerability class: POODLE (CVE-2014-3566)

EPSS: 0.002 (6.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

Samsung Smart_switch
Samsung Mobile Smart Switch — versions 3.7.69.15

Weakness classification (CWE)

CWE-327 — Use of a Broken or Risky Cryptographic Algorithm

References

mobile.security@samsung.com (Vendor Advisory)

Frequently asked questions

What is CVE-2026-20996?: CVE-2026-20996 is a medium-severity vulnerability in Samsung Smart Switch, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 5.3/10. Published 2026-03-16.
How severe is CVE-2026-20996?: Medium severity. CVSS v3 base score is 5.3 out of 10.