Sonicwall · Sonicwall Sma410 · CVE-2021-20038
**Name of the Vulnerable Software and Affected Versions**
SonicWall SMA 100 Appliances version 10.2.0.8-37sv
SonicWall SMA 100 Appliances version 10.2.1.1-19sv
SonicWall SMA 100 Appliances version 10.2.1.2-24sv
SonicWall SMA 200, 210, 400, 410 and 500v appliances firmware 10.2.0.8-37sv, 10.2.1.1-19sv, 10.2.1.2-24sv and earlier versions
**Description**
A Stack-based buffer overflow vulnerability in SMA100 Apache httpd server's mod cgi module environment variables allows a remote unauthenticated attacker to potentially execute code as a 'nobody' user in the appliance.
**Recommendations**
For SonicWall SMA 100 Appliances version 10.2.0.8-37sv, update to a version later than 10.2.0.8-37sv.
For SonicWall SMA 100 Appliances version 10.2.1.1-19sv, update to a version later than 10.2.1.1-19sv.
For SonicWall SMA 100 Appliances version 10.2.1.2-24sv, update to a version later than 10.2.1.2-24sv.
For SonicWall SMA 200, 210, 400, 410 and 500v appliances, update to a firmware version later than 10.2.1.2-24sv.
As a temporary workaround, consider disabling the mod cgi module in the Apache httpd server until a patch is available.