CVE-2021-20041

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.
References
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Configurations

Configuration 1 (hide)

AND
OR cpe:2.3:o:sonicwall:sma_200_firmware:9.0.0.11-31sv:*:*:*:*:*:*:*
cpe:2.3:o:sonicwall:sma_200_firmware:10.2.0.8-37sv:*:*:*:*:*:*:*
cpe:2.3:o:sonicwall:sma_200_firmware:10.2.1.1-19sv:*:*:*:*:*:*:*
cpe:2.3:h:sonicwall:sma_200:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND
OR cpe:2.3:o:sonicwall:sma_210_firmware:9.0.0.11-31sv:*:*:*:*:*:*:*
cpe:2.3:o:sonicwall:sma_210_firmware:10.2.0.8-37sv:*:*:*:*:*:*:*
cpe:2.3:o:sonicwall:sma_210_firmware:10.2.1.1-19sv:*:*:*:*:*:*:*
cpe:2.3:h:sonicwall:sma_210:-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND
OR cpe:2.3:o:sonicwall:sma_410_firmware:9.0.0.11-31sv:*:*:*:*:*:*:*
cpe:2.3:o:sonicwall:sma_410_firmware:10.2.0.8-37sv:*:*:*:*:*:*:*
cpe:2.3:o:sonicwall:sma_410_firmware:10.2.1.1-19sv:*:*:*:*:*:*:*
cpe:2.3:h:sonicwall:sma_410:-:*:*:*:*:*:*:*

Configuration 4 (hide)

AND
OR cpe:2.3:o:sonicwall:sma_400_firmware:9.0.0.11-31sv:*:*:*:*:*:*:*
cpe:2.3:o:sonicwall:sma_400_firmware:10.2.0.8-37sv:*:*:*:*:*:*:*
cpe:2.3:o:sonicwall:sma_400_firmware:10.2.1.1-19sv:*:*:*:*:*:*:*
cpe:2.3:h:sonicwall:sma_400:-:*:*:*:*:*:*:*

Configuration 5 (hide)

AND
OR cpe:2.3:o:sonicwall:sma_500v_firmware:9.0.0.11-31sv:*:*:*:*:*:*:*
cpe:2.3:o:sonicwall:sma_500v_firmware:10.2.0.8-37sv:*:*:*:*:*:*:*
cpe:2.3:o:sonicwall:sma_500v_firmware:10.2.1.1-19sv:*:*:*:*:*:*:*
cpe:2.3:h:sonicwall:sma_500v:-:*:*:*:*:*:*:*

Information

Published : 2021-12-08 02:15

Updated : 2021-12-10 13:59


NVD link : CVE-2021-20041

Mitre link : CVE-2021-20041


JSON object : View

CWE
CWE-835

Loop with Unreachable Exit Condition ('Infinite Loop')

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Products Affected

sonicwall

  • sma_200
  • sma_410
  • sma_400_firmware
  • sma_500v_firmware
  • sma_410_firmware
  • sma_200_firmware
  • sma_210_firmware
  • sma_400
  • sma_210
  • sma_500v