SonicWall SMA 100 Series 10.x Firmware Zero-Day Vulnerability

Vulnerability Details

Basic Information

Title SonicWall SMA 100 Series 10.x Firmware Zero-Day Vulnerability
Type attackerkb
Published 2025-05-04T00:00:00
Last Seen 2025-05-04T18:46:18
CVSS Score 9.8 (CRITICAL)

CVSS v3 Details

Attack Vector NETWORK
Attack Complexity LOW
Privileges Required NONE
User Interaction NONE
Scope UNCHANGED
Confidentiality Impact HIGH
Integrity Impact HIGH
Availability Impact HIGH

CVE Information

CVE IDs CVE-2021-20016
CWE
Bulletin Family info

Description

Recently, SonicWall identified a coordinated attack on its internal systems by highly sophisticated threat actors exploiting probable zero-day vulnerabilities on certain SonicWall secure remote access products. The impacted products are: Secure…

Impact Assessment

Base Score 9.8
Severity CRITICAL

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