CVE-2021-20040

HIGH

SonicWall SMA 200/210/400/410/500v Firmware - Unauthenticated Path Traversal via Upload Function

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References

Scores

CVSS v3 7.5
EPSS 0.0881
EPSS Percentile 92.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Details

CWE
CWE-22 CWE-23
Status published
Products (10)
sonicwall/sma_200_firmware 10.2.0.8-37sv
sonicwall/sma_200_firmware 10.2.1.1-19sv
sonicwall/sma_210_firmware 10.2.0.8-37sv
sonicwall/sma_210_firmware 10.2.1.1-19sv
sonicwall/sma_400_firmware 10.2.0.8-37sv
sonicwall/sma_400_firmware 10.2.1.1-19sv
sonicwall/sma_410_firmware 10.2.0.8-37sv
sonicwall/sma_410_firmware 10.2.1.1-19sv
sonicwall/sma_500v_firmware 10.2.0.8-37sv
sonicwall/sma_500v_firmware 10.2.1.1-19sv
Published Dec 08, 2021
Tracked Since Feb 18, 2026