Secure Mobile Access (SMA)

CVE-2021-20049: A vulnerability in SonicWall SMA100 password change API allows a remote unauthenticated attacker to perform…

A vulnerability in SonicWall SMA100 password change API allows a remote unauthenticated attacker to perform SMA100 username enumeration based on the server responses.

Published

ExploitedNot in CISA KEV
Ransomware useNot reportedPer CISA
SeverityUnknown
EPSS1.3%Chance of exploitation in 30 days
Public exploitNot tracked
FixSee advisory

Automatic summary from the vendor's CVE record. We haven't written a full analysis of this vulnerability yet.

Affected and fixed versions

Product / branchFixed in
SonicWall SMA100 10.2See the advisory

Always confirm against the vendor advisory, which lists every fixed hotfix.

What it is

A vulnerability in SonicWall SMA100 password change API allows a remote unauthenticated attacker to perform SMA100 username enumeration based on the server responses. This vulnerability impacts 10.2.1.2-24sv, 10.2.0.8-37sv and earlier 10.x versions.

Sources

KEV status, EPSS score and vendor data refreshed automatically, last on 13 Oct 2026.

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