How severe is CVE-2024-53704?

CVE-2024-53704 has a CVSS 3.1 base score of 8.2 (HIGH). EPSS estimates a 95.1% probability of exploitation in the next 30 days. It is listed in the CISA Known Exploited Vulnerabilities catalog.

CVE-2024-53704: SonicWall SonicOS SSLVPN Improper Authentication

CISA Known Exploited Vulnerabilities

SonicWall SonicOS SSLVPN Improper Authentication Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV

2025-02-18

Remediation due

2025-03-11

Ransomware

Known use

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

CISA notes
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2025-0003 ; https://nvd.nist.gov/vuln/detail/CVE-2024-53704

Description

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

Severity

CVSS 3.1 · CISA8.2 HIGH

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

SSVC · CISA-ADP

Exploitationactive

Automatableyes

Technical impactpartial

Exploitation Context

as of October 15, 2026

All KEV statistics→

CISA added CVE-2024-53704 to the KEV catalog 40 days after its CVE record was published. The median for entries added in 2025 is 26 days.
It is one of 19 SonicWall entries in the CISA KEV catalog, and one of 5 added in 2025.
Its current EPSS score (95.1%) is higher than that of 79% of CISA KEV entries.

Affected Products

Vendor	Product	Affected versions
SonicWall	SonicWall SonicOS	7.1.1-7058 and older versions 7.1.2-7019 8.0.0-8035

References

1 Links

Vendor advisories

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

Record Details

Published

2025-01-09

Last updated

2026-08-04

Assigner (CNA)

sonicwall

Credited to

Daan Keuper, Thijs Alkemade and Khaled Nassar of Computest Security through Trend Micro (Zero Day Initiative)

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Tool categories

IAM Tools Application Security Tools

CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.

CVE-2024-53704