CVE-2021-40424

MEDIUM

Webroot Secure Anywhere 21.4 - Memory Corruption

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References
Exploit, Technical Description, Third Party Advisory x_refsource_misc
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1433

Scores

CVSS v3 6.5
EPSS 0.0006
EPSS Percentile 18.6%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-125
Status published
Products (1)
webroot/secureanywhere 21.4
Published Apr 14, 2022
Tracked Since Feb 18, 2026