Unrated severityCISA KEVNVD Advisory· Published Dec 8, 2021· Updated Oct 21, 2025
CVE-2021-20038
CVE-2021-20038
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. This vulnerability affected 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.
Affected products
1- SonicWall/SonicWall SMA100v5Range: 10.2.0.8-37sv and earlier
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
2- psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0026mitrex_refsource_CONFIRM
- www.rapid7.com/blog/post/2022/01/11/cve-2021-20038-42-sonicwall-sma-100-multiple-vulnerabilities-fixed-2/mitrex_refsource_MISC
News mentions
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