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VULNERABILITIES

CVE-2021-20040 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0026 CVEVendor Advisory
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0026 [email protected]Vendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')[email protected]
CWE-23Relative Path Traversal[email protected]

Affected Products

ProductVersions

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2021-20040
NVD Published Date:
Dec 8, 2021
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2021-20040 Details - Not Deferred