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SonicWall SMA 100: CVE-2021-20041: Unauthenticated CPU Exhaustion Vulnerability

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SonicWall SMA 100: CVE-2021-20041: Unauthenticated CPU Exhaustion Vulnerability

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:C)
Published
12/07/2021
Created
12/08/2021
Added
12/07/2021
Modified
12/13/2021

Description

An unauthenticated and remote adversary can consume all of the device's CPU due to crafted HTTP requests sent to SMA100 /fileshare/sonicfiles/sonicfiles resulting in a loop with unreachable exit condition. This vulnerability affected SMA 200, 210, 400, 410 and 500v appliances.

Solution(s)

  • sonicwall-sma-100-upgrade-10.2.0.9-41sv
  • sonicwall-sma-100-upgrade-10.2.1.3-27sv

References

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