Risk Letters

Exploited vulnerability

CVE-2024-53704

TLP:CLEAR

SonicWall SonicOS SSLVPN Improper Authentication Vulnerability

SonicWall SonicOS contains an improper authentication vulnerability in the SSLVPN authentication mechanism that allows a remote attacker to bypass authentication.

Facts

  • Vendor: SonicWall
  • Product: SonicOS
  • CVSS: 9.8
  • EPSS (probability of exploitation within 30 days): 95.3 %
  • On CISA's Known Exploited Vulnerabilities list since: 18 February 2025
  • First known exploitation: 18 February 2025
  • Used in ransomware campaigns (per CISA): Yes
  • CISA's deadline for US federal agencies: 11 March 2025
  • Weakness: CWE-287
  • First seen by Risk Letters: 18 February 2025

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Data: NVD (public domain), CISA KEV, FIRST EPSS, MITRE ATT&CK, AlienVault OTX. NVD