HTTP: SonicWall SMA 100 Series Authenticated Command Injection

This signature detects attempts to exploit a known vulnerability against SonicWall SMA 100 Series. A successful attack can lead to arbitrary code execution.

Extended 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.

References

CVE: CVE-2021-20038

Short Name
HTTP:MISC:CVE-2021-20038-RCE
Severity
Major
Recommended
True
Recommended Action
Drop
Category
HTTP
Keywords
100 Authenticated CVE-2021-20038 Command Injection SMA Series SonicWall
Release Date
03/22/2022
Supported Platforms

srx-branch-12.3

srx-19.3

srx-branch-19.3

vsrx3bsd-19.2

srx-branch-19.4

vsrx-19.4

mx-12.3

mx-19.4

vmx-19.4

mx-19.3

vsrx3bsd-19.4

srx-19.4

vsrx-12.3

vmx-19.3

vsrx-19.2

srx-12.3

Sigpack Version
3805
False Positive
Unknown
CVSS Score

7.5

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