CVE-2021-40425

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.

• CVE ID
• CVE-2021-40425

• Assigner
• talos-cna@cisco.com

• Vulnerability Status
• Analyzed

• Published Version
• 2022-04-14T20:15:09

• Last Modified Date
• 2022-04-21T15:47:50

• Version
• 2.0

• Vector String
• AV:L/AC:L/Au:N/C:N/I:N/A:C

• Access Vector
• LOCAL

• Access Compatibility
• LOW

• Authentication
• NONE

• Confidentiality Impact
• NONE

• Integrity Impact
• NONE

• Availability Impact
• COMPLETE

• Base Score
• 4.9

• Severity
• MEDIUM

• Exploitability Score
• 3.9

• Impact Score
• 6.9

• Version
• 3.1

• Vector String
• CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

• Attack Vector
• LOCAL

• Attack Compatibility
• LOW

• Privileges Required
• LOW

• User Interaction
• NONE

• Scope
• CHANGED

• Confidentiality Impact
• NONE

• Availability Impact
• HIGH

• Base Score
• 6.5

• Base Severity
• MEDIUM

• Exploitability Score
• 2

• Impact Score
• 4