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nvd[email protected]NVD:CVE-2021-20041
HistoryDec 08, 2021 - 10:15 a.m.

CVE-2021-20041

2021-12-0810:15:08
CWE-835
[email protected]
web.nvd.nist.gov

7.8 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:N/I:N/A:C

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

0.003 Low

EPSS

Percentile

69.9%

JSON

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.

Affected configurations

NVD
Node
sonicwallsma_200_firmwareMatch9.0.0.11-31sv
OR
sonicwallsma_200_firmwareMatch10.2.0.8-37sv
OR
sonicwallsma_200_firmwareMatch10.2.1.1-19sv
AND
sonicwallsma_200Match-
Node
sonicwallsma_210_firmwareMatch9.0.0.11-31sv
OR
sonicwallsma_210_firmwareMatch10.2.0.8-37sv
OR
sonicwallsma_210_firmwareMatch10.2.1.1-19sv
AND
sonicwallsma_210Match-
Node
sonicwallsma_410_firmwareMatch9.0.0.11-31sv
OR
sonicwallsma_410_firmwareMatch10.2.0.8-37sv
OR
sonicwallsma_410_firmwareMatch10.2.1.1-19sv
AND
sonicwallsma_410Match-
Node
sonicwallsma_400_firmwareMatch9.0.0.11-31sv
OR
sonicwallsma_400_firmwareMatch10.2.0.8-37sv
OR
sonicwallsma_400_firmwareMatch10.2.1.1-19sv
AND
sonicwallsma_400Match-
Node
sonicwallsma_500v_firmwareMatch9.0.0.11-31sv
OR
sonicwallsma_500v_firmwareMatch10.2.0.8-37sv
OR
sonicwallsma_500v_firmwareMatch10.2.1.1-19sv
AND
sonicwallsma_500vMatch-

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7.8 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:N/I:N/A:C

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

0.003 Low

EPSS

Percentile

69.9%

JSON
Related for NVD:CVE-2021-20041
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