CVE-2021-20027

CVE-2021-20027CVE-2021-20027

sonicwall / sonicos

Description

A buffer overflow vulnerability in SonicOS allows a remote attacker to cause a Denial of Service (DoS) by sending a specially crafted request. This vulnerability affects SonicOS Gen5, Gen6, Gen7 platforms, and SonicOSv virtual firewalls.

Scoring

CVSS 7.5 ()
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Last modified2026-11-09
Sourced from NVD. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.