CVEs / CVE-2024-53704
CVE-2024-53704: SonicWall SonicOS SSLVPN Improper Authentication Vulnerability
- Known exploited in the CISA KEV catalog since 18 Feb 2025
- critical 9.8 CVSS 3.1 (NVD)
- EPSS 95.3% chance of exploitation in the next 30 days, higher than 99% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
SonicWall SonicOS contains an improper authentication vulnerability in the SSLVPN authentication mechanism that allows a remote attacker to bypass authentication.
Description
An Improper Authentication vulnerability in the SSLVPN authentication mechanism allows a remote attacker to bypass authentication.
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| SonicWall SonicOS | 7.1.1-7058 and older versions | — |
| SonicWall SonicOS | 7.1.2-7019 | — |
| SonicWall SonicOS | 8.0.0-8035 | — |
Exploitation
| In CISA KEV since | 18 Feb 2025 |
|---|---|
| Due date for US federal agencies | 11 Mar 2025 |
| Used in ransomware campaigns | Known |
| Required action | Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. |
Severity
| CVSS 3.1 | 9.8 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HScored by NVD |
|---|---|
| Weakness | CWE-287 |
References
- CVE-2024-53704 on NVD
- CVE-2024-53704 in the CISA KEV catalog
- https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2025-0003 (cited by CISA)
- https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2025-0003 Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-53704 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.