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CRITICAL · 9.8

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 Description

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 Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
SonicwallSma 200 Firmware10.2.0.8-37sv
SonicwallSma 200-
SonicwallSma 210 Firmware10.2.0.8-37sv
SonicwallSma 210-
SonicwallSma 410 Firmware10.2.0.8-37sv
SonicwallSma 410-
SonicwallSma 400 Firmware10.2.0.8-37sv
SonicwallSma 400-
SonicwallSma 500V Firmware10.2.0.8-37sv
SonicwallSma 500V-

Related Weaknesses (CWE)

CWE-120

References

FAQ

What is CVE-2021-20045?

CVE-2021-20045 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 ...

How severe is CVE-2021-20045?

CVE-2021-20045 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-20045?

Check the references section above for vendor advisories and patch information. Affected products include: Sonicwall Sma 200 Firmware, Sonicwall Sma 200, Sonicwall Sma 210 Firmware, Sonicwall Sma 210, Sonicwall Sma 410 Firmware.