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CRITICAL · 9.1

CVE-2021-20034

An improper access control vulnerability in SMA100 allows a remote unauthenticated attacker to bypass the path traversal checks and delete an arbitrary file potentially resulting in a reboot to factor...

Vulnerability Description

An improper access control vulnerability in SMA100 allows a remote unauthenticated attacker to bypass the path traversal checks and delete an arbitrary file potentially resulting in a reboot to factory default settings.

CVSS Score

9.1

CRITICAL

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

Affected Products

VendorProductVersions
SonicwallSma 200 Firmware<= 9.0.0.10-28sv
SonicwallSma 200-
SonicwallSma 210 Firmware<= 9.0.0.10-28sv
SonicwallSma 210-
SonicwallSma 400 Firmware<= 9.0.0.10-28sv
SonicwallSma 400-
SonicwallSma 410 Firmware<= 9.0.0.10-28sv
SonicwallSma 410-
SonicwallSma 500V<= 9.0.0.10-28sv

Related Weaknesses (CWE)

CWE-22CWE-284

References

FAQ

What is CVE-2021-20034?

CVE-2021-20034 is a vulnerability with a CVSS score of 9.1 (CRITICAL). An improper access control vulnerability in SMA100 allows a remote unauthenticated attacker to bypass the path traversal checks and delete an arbitrary file potentially resulting in a reboot to factor...

How severe is CVE-2021-20034?

CVE-2021-20034 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-20034?

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 400 Firmware.