Imminent' ransomware targeting firmware, says Sonicwall
SonicWall sent out an urgent notice to its customers about "an imminent ransomware campaign using stolen credentials" that is targeting Secure Mobile Access (SMA) 100 series and Secure Remote Access (SRA) products running unpatched and end-of-life 8.x firmware.
In addition to the notice posted to its website, SonicWall sent an email to anyone using SMA and SRA devices, urging some to disconnect their devices immediately. They worked with Mandiant and other security companies on the issue, according to the release.
The company said, "The exploitation targets a known vulnerability that has been patched in newer versions of firmware. SonicWall PSIRT strongly suggests that organizations still using 8.x firmware review the information below and take immediate action."
SonicWall urged their users to update to the latest available SRA and SMA firmware, explaining that those who don't deal with the vulnerabilities are "at imminent risk of a targeted ransomware attack."
Anyone using SRA 4600/1600 (EOL 2019), SRA 4200/1200 (EOL 2016) or SSL-VPN 200/2000/400 (EOL 2013/2014) should disconnect their appliances immediately and change all associated passwords.
SonicWall said, "Organizations using the following end-of-life SMA and/or SRA devices running firmware 8.x should either update their firmware or disconnect their appliances per guidance below. If your organization is using a legacy SRA appliance that is past end-of-life status and cannot update to 9.x firmware, continued use may result in ransomware exploitation. The affected end-of-life devices with 8.x firmware are past temporary mitigations. Continued use of this firmware or end-of-life devices is an active security risk. To provide a transition path for customers with end-of-life devices that cannot upgrade to 9.x or 10.x firmware, we're providing a complimentary virtual SMA 500v until October 31, 2021."
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