What is the CVSS score of CVE-2024-53704?

CVE-2024-53704 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 93.9%.

Which versions of Sonicos are affected by CVE-2024-53704?

Organizations using An Improper Authentication vulnerability in the SSLVPN authentication mechanism face critical risk from CVE-2024-53704, a improper authentication vulnerability rated CVSS 9.8.

Is there a public PoC exploit available for CVE-2024-53704?

Yes, a public proof-of-concept exploit is available for CVE-2024-53704. Prioritise patching immediately. EPSS: 93.9%.

How to fix or mitigate CVE-2024-53704?

Within 24 hours: Identify all affected systems and apply vendor patches immediately. Audit authentication configurations and rotate any potentially compromised credentials.

Sonicos CVE-2024-53704

CRITICAL

Improper Authentication (CWE-287)

2025-01-09 PSIRT@sonicwall.com

Authentication Bypass Sonicos

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

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

DescriptionCVE.org

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

AnalysisAI

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

Technical ContextAI

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.

RemediationAI

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.

CVE-2024-53704 vulnerability details – vuln.today

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Sonicos CVE-2024-53704

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

Technical ContextAI

RemediationAI

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External POC / Exploit Code