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HIGH · 7.5

CVE-2021-20040

A relative path traversal vulnerability in the SMA100 upload funtion allows a remote unauthenticated attacker to upload crafted web pages or files as a 'nobody' user. This vulnerability affected SMA 2...

Vulnerability Description

A relative path traversal vulnerability in the SMA100 upload funtion allows a remote unauthenticated attacker to upload crafted web pages or files as a 'nobody' user. This vulnerability affected SMA 200, 210, 400, 410 and 500v appliances.

CVSS Score

7.5

HIGH

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

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-22CWE-23

References

FAQ

What is CVE-2021-20040?

CVE-2021-20040 is a vulnerability with a CVSS score of 7.5 (HIGH). A relative path traversal vulnerability in the SMA100 upload funtion allows a remote unauthenticated attacker to upload crafted web pages or files as a 'nobody' user. This vulnerability affected SMA 2...

How severe is CVE-2021-20040?

CVE-2021-20040 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-20040?

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.