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PRIOn knowledge basePRION:CVE-2021-20041

HistoryDec 08, 2021 - 10:15 a.m.

Design/Logic Flaw

2021-12-0810:15:00

PRIOn knowledge base

www.prio-n.com

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

7.5 High

AI Score

Confidence

High

7.8 High

CVSS2

Access Vector

NETWORK

Access 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

0.003 Low

EPSS

Percentile

69.1%

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.

CPENameOperatorVersion
sma_200_firmwareeq9.0.11-31-sv
sma_200_firmwareeq10.2.8-37-sv
sma_200_firmwareeq10.2.11-19-sv
sma_210_firmwareeq9.0.11-31-sv
sma_210_firmwareeq10.2.8-37-sv
sma_210_firmwareeq10.2.11-19-sv
sma_400_firmwareeq9.0.11-31-sv
sma_400_firmwareeq10.2.8-37-sv
sma_400_firmwareeq10.2.11-19-sv
sma_410_firmwareeq9.0.11-31-sv

Name	Operator	Version
sma_200_firmware	eq	9.0.11-31-sv
sma_200_firmware	eq	10.2.8-37-sv
sma_200_firmware	eq	10.2.11-19-sv
sma_210_firmware	eq	9.0.11-31-sv
sma_210_firmware	eq	10.2.8-37-sv
sma_210_firmware	eq	10.2.11-19-sv
sma_400_firmware	eq	9.0.11-31-sv
sma_400_firmware	eq	10.2.8-37-sv
sma_400_firmware	eq	10.2.11-19-sv
sma_410_firmware	eq	9.0.11-31-sv

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References

psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0026

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

7.5 High

AI Score

Confidence

High

7.8 High

CVSS2

Access Vector

NETWORK

Access 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

0.003 Low

EPSS

Percentile

69.1%

JSON

Related for PRION:CVE-2021-20041