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[email protected]CVE-2021-20043

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

CVE-2021-20043

2021-12-0810:15:00

CWE-787

[email protected]

web.nvd.nist.gov

sonicwall

sma100

vulnerability

remote attacker

buffer overflow

code execution

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.3 High

AI Score

Confidence

High

6.5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.002 Low

EPSS

Percentile

58.2%

JSON

A Heap-based buffer overflow vulnerability in SonicWall SMA100 getBookmarks method allows a remote authenticated attacker to potentially execute code as the nobody user in the appliance. This vulnerability affected SMA 200, 210, 400, 410 and 500v appliances.

CPENameOperatorVersion
sonicwall:sma_200_firmwaresonicwall sma 200 firmwareeq10.2.0.8-37sv
sonicwall:sma_200_firmwaresonicwall sma 200 firmwareeq10.2.1.1-19sv
sonicwall:sma_210_firmwaresonicwall sma 210 firmwareeq10.2.0.8-37sv
sonicwall:sma_210_firmwaresonicwall sma 210 firmwareeq10.2.1.1-19sv
sonicwall:sma_410_firmwaresonicwall sma 410 firmwareeq10.2.0.8-37sv
sonicwall:sma_410_firmwaresonicwall sma 410 firmwareeq10.2.1.1-19sv
sonicwall:sma_400_firmwaresonicwall sma 400 firmwareeq10.2.0.8-37sv
sonicwall:sma_400_firmwaresonicwall sma 400 firmwareeq10.2.1.1-19sv
sonicwall:sma_500v_firmwaresonicwall sma 500v firmwareeq10.2.0.8-37sv
sonicwall:sma_500v_firmwaresonicwall sma 500v firmwareeq10.2.1.1-19sv

CPE	Name	Operator	Version
sonicwall:sma_200_firmware	sonicwall sma 200 firmware	eq	10.2.0.8-37sv
sonicwall:sma_200_firmware	sonicwall sma 200 firmware	eq	10.2.1.1-19sv
sonicwall:sma_210_firmware	sonicwall sma 210 firmware	eq	10.2.0.8-37sv
sonicwall:sma_210_firmware	sonicwall sma 210 firmware	eq	10.2.1.1-19sv
sonicwall:sma_410_firmware	sonicwall sma 410 firmware	eq	10.2.0.8-37sv
sonicwall:sma_410_firmware	sonicwall sma 410 firmware	eq	10.2.1.1-19sv
sonicwall:sma_400_firmware	sonicwall sma 400 firmware	eq	10.2.0.8-37sv
sonicwall:sma_400_firmware	sonicwall sma 400 firmware	eq	10.2.1.1-19sv
sonicwall:sma_500v_firmware	sonicwall sma 500v firmware	eq	10.2.0.8-37sv
sonicwall:sma_500v_firmware	sonicwall sma 500v firmware	eq	10.2.1.1-19sv

References

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

Social References

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.3 High

AI Score

Confidence

High

6.5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.002 Low

EPSS

Percentile

58.2%

JSON

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