CVE-2021-40424

MediumCVSS 6.5/10Last modified Jun 17, 2026

Description

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. The GetProcessCommandLine IOCTL request could cause an out-of-bounds read in the device driver WRCore_x64. An attacker can issue an ioctl to trigger this vulnerability.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Weakness enumeration

CWE-125

Affected software

Vendor	Product	Versions
Webroot	Secure Anywhere	21.4

References

https://talosintelligence.com/vulnerability_reports/TALOS-2021-1433Exploit, Technical Description, Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1433Exploit, Technical Description, Third Party Advisory

Timeline

Published: Apr 14, 2022
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2021

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