VULNERABILITY INTELLIGENCE

CVE-2021-20034

CVSS score9.1 CRITICAL

EPSS probability81.83%

CISA KEVNot currently listed

Published2021-09-27

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Description

An improper access control vulnerability in SMA100 allows a remote unauthenticated attacker to bypass the path traversal checks and delete an arbitrary file potentially resulting in a reboot to factory default settings.

Weakness classification

PSIRT@sonicwall.com: CWE-284
nvd@nist.gov: CWE-22

Primary references

PSIRT@sonicwall.com — Exploit, Third Party Advisory, VDB Entry
PSIRT@sonicwall.com — Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory