7.5

CVE-2021-20040

Warning

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.

Data is provided by the National Vulnerability Database (NVD)
SonicwallSma 200 Firmware Version10.2.0.8-37sv
   SonicwallSma 200 Version-
SonicwallSma 200 Firmware Version10.2.1.1-19sv
   SonicwallSma 200 Version-
SonicwallSma 210 Firmware Version10.2.0.8-37sv
   SonicwallSma 210 Version-
SonicwallSma 210 Firmware Version10.2.1.1-19sv
   SonicwallSma 210 Version-
SonicwallSma 410 Firmware Version10.2.0.8-37sv
   SonicwallSma 410 Version-
SonicwallSma 410 Firmware Version10.2.1.1-19sv
   SonicwallSma 410 Version-
SonicwallSma 400 Firmware Version10.2.0.8-37sv
   SonicwallSma 400 Version-
SonicwallSma 400 Firmware Version10.2.1.1-19sv
   SonicwallSma 400 Version-
SonicwallSma 500v Firmware Version10.2.0.8-37sv
   SonicwallSma 500v Version-
SonicwallSma 500v Firmware Version10.2.1.1-19sv
   SonicwallSma 500v Version-
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 6.33% 0.906
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
nvd@nist.gov 5 10 2.9
AV:N/AC:L/Au:N/C:N/I:P/A:N
CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

CWE-23 Relative Path Traversal

The product uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize sequences such as ".." that can resolve to a location that is outside of that directory.