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CVE-2021-31840

DLL preload vulnerability in McAfee Agent for Windows

Published: Jun 10, 2021Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-427
NVD MITRE
7.3CVSSHIGH
EPSS Score
0.3%
Top 73.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

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.

CVSS Vector Breakdown

AV:LAC:LPR:LUI:RS:UC:HI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-427

Affected Products

mcafee agentmcafeeSecurity Products
McAfee AgentMcAfee Inc.
Mixed
Security Products / endpoint-av-edr
McAfee Agent for WindowsMcAfee,LLC
On-prem
Security Products / endpoint-av-edr
mcafeecommercialUSSecurity Productsaka mcaee, mcafee security
mcafee inc.commercialUSSecurity Productsaka mcafee
mcafee,llccommercialSecurity Products

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Persistence
View detailed technique mapping

References

https://kc.mcafee.com/corporate/index?page=content&id=SB10362
kc.mcafee.com
https://nvd.nist.gov/vuln/detail/CVE-2021-31840
nvd.nist.gov
https://kc.mcafee.com/corporate/index?page=content&id=SB10362
kc.mcafee.com

Timeline

Published
Jun 10, 2021
Last Updated
Nov 21, 2024

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