February 18, 2025 · Applied Cybernetics Group
CVE-2024-53704 — SonicWall SonicOS
known ransomware use
SonicWall SonicOS SSLVPN Improper Authentication Vulnerability
- Added to KEV
2025-02-18- Federal due date
2025-03-11- Vendor
- SonicWall
- Product
- SonicOS
- EPSS
- 99.9th percentile (score 0.951, as of
2026-07-13) - NVD CVSS v3.1
- —
- Ransomware use
- Known
- ATT&CK
- T1021.001 , T1078.004 , T1083 , T1199 , T1212 · signal rollup
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2024-53704
CISA short description
SonicWall SonicOS contains an improper authentication vulnerability in the SSLVPN authentication mechanism that allows a remote attacker to bypass authentication.
Required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.