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CVE-2021-31841

23
FAUCET Score

CVE-2021-31841 is a DLL sideloading vulnerability in McAfee Agent for Windows prior to version 5.7.4. A local user could exploit this by placing a specially crafted, unsigned DLL in a specific location, leading to elevated permissions and arbitrary code execution as the system user. The vulnerability has a CVSS score of 7.3 (HIGH), indicating a local attack vector with low complexity, requiring user interaction, and resulting in high impact to confidentiality, integrity, and availability. There is currently no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 5.7.4CPE matchmatch criteria
cpe:2.3:a:mcafee:mcafee_agent:*:*:*:*:*:windows:*:*

CVSS Data

CVSS version used by this source: 3.1

8.2HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.5
Impact Score
6.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.24%
Probability of exploitation in next 30 days
EPSS Percentile
15.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0024 is in the 48th percentile among its peer group of 759 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

kc.mcafee.com / corporate/index
Broken Link