CVE-2026-20999
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Authentication Bypass via Replay in Smart Switch

Publication date: 2026-03-16

Last updated on: 2026-03-31

Assigner: Samsung Mobile

Description
Authentication bypass by replay in Smart Switch prior to version 3.7.69.15 allows remote attackers to trigger privileged functions.

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Meta Information

Published
2026-03-16
Last Modified
2026-03-31
Generated
2026-07-06
AI Q&A
2026-03-16
EPSS Evaluated
2026-07-05
NVD
CVE-2026-20999
EUVD
EUVD-2026-12315

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
samsung smart_switch to 3.7.69.15 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-294 A capture-replay flaw exists when the design of the product makes it possible for a malicious user to sniff network traffic and bypass authentication by replaying it to the server in question to the same effect as the original message (or with minor changes).

Attack-Flow Graph

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Executive Summary

This vulnerability is an authentication bypass by replay in Samsung Smart Switch software versions prior to 3.7.69.15. It allows remote attackers to trigger privileged functions without proper authentication.

Impact Analysis

The vulnerability can allow remote attackers to execute privileged functions on the affected Smart Switch software without authorization. This could lead to unauthorized access or control over sensitive operations.

Compliance Impact

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Detection Guidance

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Mitigation Strategies

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