SonicWall SonicOS SSLVPN Improper Authentication Vulnerability (CVE-2024-53704)
Severity: critical · Patch status: unknown · Since 2025-02-18 · CVE-2024-53704
SonicWall SonicOS contains an improper authentication vulnerability in the SSLVPN authentication mechanism that allows a remote attacker to bypass authentication. CISA added CVE-2024-53704 to its Known Exploited Vulnerabilities catalog on Feb 18, 2025, which means attackers are exploiting it in the wild. CISA reports known use in ransomware campaigns.
What to do
- Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- US federal agencies must remediate by Mar 11, 2025 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch
