【Security Vulnerability Warning】SonicWall's SMA 100 series SSL VPN device exist a security vulnerability (CVE-2021-20016), which allows attackers to remotely execute arbitrary code. Please confirm and update as soon as possible!

Subject:【Security Vulnerability Warning】SonicWall's SMA 100 series SSL VPN device exist a security vulnerability (CVE-2021-20016), which allows attackers to remotely execute arbitrary code. Please confirm and update as soon as possible!

Description:
For details, please refer to the following links.

1. https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0001
2. https://www.sonicwall.com/support/product-notification/urgent-patch-available-for-sma-100-series-10-x-firmware-zero-day-vulnerability-updated-feb-3-2-p-m-cst/210122173415410/
3. https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20016
4. https://www.sonicwall.com/support/knowledge-base/how-to-configure-web-application-firewall-waf-on-the-sma-100-series/210202202221923/
5. https://www.sonicwall.com/support/knowledge-base/how-to-upgrade-firmware-on-sma-100-series-appliances/170502339501169/
6. https://www.sonicwall.com/support/knowledge-base/smb-ssl-vpn-upgrading-firmware-on-sma-500v-virtual-appliance/170502851052498/
7. https://www.sonicwall.com/support/knowledge-base/how-can-i-check-the-current-firmware-version-of-your-sonicwall/170504764898494/

Network System Division
Computer and Communication Center