Secure Mobile Access (SMA)
CVE-2021-20045: Buffer overflow in SonicWall SMA100
A buffer overflow vulnerability in SMA100 sonicfiles RAC_COPY_TO (RacNumber 36) method allows a remote unauthenticated attacker to potentially execute code as the 'nobody' user in the appliance.
Published
Automatic summary from the vendor's CVE record. We haven't written a full analysis of this vulnerability yet.
Affected and fixed versions
| Product / branch | Fixed in |
|---|---|
| SonicWall SMA100 10.2 | See the advisory |
Always confirm against the vendor advisory, which lists every fixed hotfix.
What it is
A buffer overflow vulnerability in SMA100 sonicfiles RAC_COPY_TO (RacNumber 36) method allows a remote unauthenticated attacker to potentially execute code as the 'nobody' user in the appliance. This vulnerability affected SMA 200, 210, 400, 410 and 500v appliances.
Sources
KEV status, EPSS score and vendor data refreshed automatically, last on 13 Oct 2026.