HC3 TLP White Sector Alert: SonicWall Zero-Day Vulnerabilities – April 22, 2021

A recent security report identified 3 zero-day exploits for SonicWall Email Security (ES). Two of the three vulnerabilities were classified as High and Critical and can potentially allow for Threat Actors to extract sensitive information or compromise the device to use for their purposes. HC3 recommends all healthcare organizations immediately upgrade to the respective SonicWall ES versions. Patches are currently available for mitigation.