VDB-290723 · CVE-2024-53704 · SNWLID-2025-0003

SonicWALL SonicOS SSL VPN improper authentication

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.3	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical has been found in SonicWALL SonicOS. This issue affects some unknown processing of the component SSL VPN. The manipulation leads to improper authentication. This vulnerability is listed as CVE-2024-53704. The attack may be initiated remotely. In addition, an exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in SonicWALL SonicOS (version now known) and classified as critical. This issue affects some unknown processing of the component SSL VPN. The manipulation with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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

It is possible to read the advisory at psirt.global.sonicwall.com. The identification of this vulnerability is CVE-2024-53704. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are unknown but an exploit is available.

It is declared as attacked. The vulnerability scanner Nessus provides a plugin with the ID 232198 (SonicWall SonicOS Multiple Vulnerabilities (SNWLID-2025-0003)), which helps to determine the existence of the flaw in a target environment. The CISA Known Exploited Vulnerabilities Catalog lists this issue since 02/18/2025 with a due date of 03/11/2025:

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

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (232198). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Firewall Software

Vendor

SonicWALL

Name

SonicOS

License

commercial

Website

Vendor: https://www.sonicwall.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.4
VulDB Meta Temp Score: 8.3

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

ADP CISA Base Score: 8.2
ADP CISA Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Attacked

EPSS Score: 🔍
EPSS Percentile: 🔍

KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
KEV Notice: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 232198
Nessus Name: SonicWall SonicOS Multiple Vulnerabilities (SNWLID-2025-0003)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/07/2025 🔍
01/07/2025 +0 days 🔍
08/04/2026 +574 days 🔍

Sourcesinfo

Vendor: sonicwall.com

Advisory: SNWLID-2025-0003
Status: Confirmed

CVE: CVE-2024-53704 (🔍)
GCVE (CVE): GCVE-0-2024-53704
GCVE (VulDB): GCVE-100-290723
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 01/07/2025 22:55
Updated: 08/04/2026 12:01
Changes: 01/07/2025 22:55 (52), 02/18/2025 18:34 (2), 02/19/2025 05:04 (13), 02/19/2025 17:40 (11), 03/07/2025 01:31 (2), 12/19/2025 20:54 (1), 08/04/2026 12:01 (11)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.