CVE-2024-53704SonicWallFirewall and VPNFebruary 18, 2025

SonicWall SonicOS SSLVPN Improper Authentication Vulnerability

Critical 9.8Actively exploitedUsed by ransomware

Description

SonicWall SonicOS contains an improper authentication vulnerability in the SSLVPN authentication mechanism that allows a remote attacker to bypass authentication.

What to do

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

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Details

Vendor
SonicWall
Product
SonicOS
CVE
CVE-2024-53704
Affected versions
SonicOS 7.1: up to 7.1.1-7058; 7.1.2-7019
SonicOS 8.0: 8.0.0-8035 (from the advisory and NVD; check the exact builds in the official advisory)
CVSS score
9.8
Actively exploited
Yes, listed in the CISA Known Exploited Vulnerabilities catalog
CISA due date
March 11, 2025 (deadline for US federal agencies: a good benchmark for you too)
Source
CISA KEV – original advisory
Published
February 18, 2025

The description and the recommended action are quoted from the public advisory; severity, exploitation status and affected versions are compiled automatically from public sources and may contain errors. The vendor's original advisory prevails: check it before taking action. This information is provided without warranty and does not replace a professional assessment.

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