SonicWall SonicOS SSLVPN Improper Authentication Vulnerability

Critical Threat Advisory: This vulnerability is documented in active Ransomware campaigns. Immediate remediation required.

Technical Severity

CVSS v3.1 Metrics

HIGH

8.2 / 10

Minimal Risk Critical

Vector Specification

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

Exploitation Likelihood

EPSS Prediction

93.82 %

Predictive Probability

Percentile Rank

99.9 th

Documented as more likely to be exploited than 99.9% of known CVEs.

Detection Date

Feb 18, 2025

Remediation Due

Mar 11, 2025

CISA Catalog Active

Threat Analysis

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

Remediation Directive

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

Asset Context

Vendor Identity

SonicWall

Affected Product

SonicOS

Ransomware Status

Campaign Use Known

Weakness Classification

CWE-287

External Intelligence

https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2025-0003

NVD

National Vulnerability Database

https://nvd.nist.gov/vuln/detail/CVE-2024-53704