CVE-2024-53704

CRITICAL
2025-01-09 [email protected]
9.8
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

3
Analysis Generated
Mar 28, 2026 - 18:02 vuln.today
Added to CISA KEV
Oct 31, 2025 - 15:56 cisa
CISA KEV
CVE Published
Jan 09, 2025 - 07:15 nvd
CRITICAL 9.8

Tags

Authentication Bypass Sonicos

Description

An Improper Authentication vulnerability in the SSLVPN authentication mechanism allows a remote attacker to bypass authentication.

Analysis

SonicWall SonicOS SSLVPN contains an authentication bypass vulnerability allowing remote attackers to bypass authentication mechanisms and gain unauthorized VPN access to protected networks.

Technical Context

The CWE-287 authentication bypass in the SSLVPN authentication mechanism allows unauthenticated attackers to circumvent login controls through crafted requests, gaining the same access as legitimately authenticated VPN users.

Affected Products

['SonicWall SonicOS with SSLVPN (affected versions)']

Remediation

Apply SonicWall firmware updates. Restrict VPN access by source IP where possible. Enable MFA as an additional control. Monitor VPN session logs for unauthorized connections.

Priority Score

193
Low Medium High Critical
KEV: +50
EPSS: +93.9
CVSS: +49
POC: 0

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CVE-2024-53704 vulnerability details – vuln.today
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