SonicWall has released a patch for the now confirmed vulnerability within the SMA 100 series 10.x code. SMA 100 firmware prior to 10.x is unaffected by this vulnerability.
For information on the patch, affected devices and recommended mitigation advice, please refer to SonicWall product notification.
On 22 January 2021, cyber security vendor SonicWall identified an internal systems breach using a likely zero-day in the SonicWall NetExender VPN client and Secure Mobile Access (SMA) products. On 23 January 2021, SonicWall provided an updated stating that only the SMA 100 Series is potentially vulnerable and customers may continue to use the NetExtender component for remote access as it is not susceptible to exploitation.
For information on the affected devices and recommended mitigation advice, please refer to SonicWall product notification.
Additional information and supporting tools
The ACSC is monitoring the situation and will continue to advise Australian organisations as required. The ACSC encourages all organisations to continually assess and apply the Essential Eight strategies to protect their systems.
Organisations that have been impacted or require assistance can contact the ACSC via 1300 CYBER1.