CVE-2021-20045

A buffer overflow vulnerability in SMA100 sonicfiles RAC_COPY_TO (RacNumber 36) method allows a remote unauthenticated attacker to potentially execute code as the 'nobody' user in the appliance. This vulnerability affected SMA 200, 210, 400, 410 and 500v appliances.

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3.0 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0026	Vendor Advisory

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Configurations

Configuration 1 (hide)

AND

OR	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: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: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: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: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 10:04

NVD link : CVE-2021-20045

Mitre link : CVE-2021-20045

JSON object : View

CWE

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

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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

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