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CVE-2021-40424 Details

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.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

CNA: [email protected]CVSS-B:7.1 HIGHVector:CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1433	CVE	ExploitTechnical DescriptionThird Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1433	[email protected]	ExploitTechnical DescriptionThird Party Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-125	Out-of-bounds Read	[email protected]
CWE-125	Out-of-bounds Read	[email protected]

Affected Products

Product	Versions
webroot secureanywhere	21.4
CPE cpe:2.3:a:webroot:secureanywhere:21.4:::::::* Remediation No remediation found in references.

Change History

5 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Apr 22, 2022	Initial Analysis	[email protected]