CVE-2021-31840

A vulnerability in the preloading mechanism of specific dynamic link libraries in McAfee Agent for Windows prior to 5.7.3 could allow an authenticated, local attacker to perform a DLL preloading attack with unsigned DLLs. To exploit this vulnerability, the attacker would need to have valid credentials on the Windows system. This would result in the user gaining elevated permissions and being able to execute arbitrary code.

• CVE ID
• CVE-2021-31840

• Assigner
• psirt@mcafee.com

• Vulnerability Status
• Analyzed

• Published Version
• 2021-06-10T17:15:08

• Last Modified Date
• 2021-06-22T00:43:17

• Version
• 2.0

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

• Access Vector
• LOCAL

• Access Compatibility
• MEDIUM

• Authentication
• NONE

• Confidentiality Impact
• PARTIAL

• Integrity Impact
• PARTIAL

• Availability Impact
• PARTIAL

• Base Score
• 4.4

• Severity
• MEDIUM

• Exploitability Score
• 3.4

• Impact Score
• 6.4

• Version
• 3.1

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

• Attack Vector
• LOCAL

• Attack Compatibility
• LOW

• Privileges Required
• LOW

• User Interaction
• REQUIRED

• Scope
• UNCHANGED

• Confidentiality Impact
• HIGH

• Availability Impact
• HIGH

• Base Score
• 7.3

• Base Severity
• HIGH

• Exploitability Score
• 1.3

• Impact Score
• 5.9