VULNERABILITY INTELLIGENCE

CVE-2021-20040

CVSS score7.5 HIGH
EPSS probability25.15%
CISA KEVNot currently listed
Published2021-12-08
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

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.

Weakness classification

  • PSIRT@sonicwall.com: CWE-23
  • nvd@nist.gov: CWE-22

Primary references