CVE-2021-40425: Webroot Secureanywhere

Medium severity, CVSS 6.5. EPSS: 0.3% chance of exploitation in the next 30 days.

An out-of-bounds read vulnerability exists in the IOCTL GetProcessCommand and B_03 of Webroot Secure Anywhere 21.4. A specially-crafted executable can lead to denial of service. An attacker can issue an ioctl to trigger this vulnerability. An out-of-bounds read vulnerability exists in the IOCTL GetProcessCommand and B_03 of Webroot Secure Anywhere 21.4. An IOCTL_B03 request with specific invalid data causes a similar issue in the device driver WRCore_x64. An attacker can issue an ioctl to trigger this vulnerability.

Affected products

• Webroot Secureanywhere: version 21.4 only

Published 2022-04-14. Last modified 2026-06-17.