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CVE-2021-31853

24
FAUCET Score

CVE-2021-31853 is a DLL Search Order Hijacking vulnerability affecting McAfee Drive Encryption (MDE) versions prior to 7.3.0 HF2 (7.3.0.183). This flaw allows a local attacker to execute arbitrary code and escalate privileges by running the affected software from a compromised folder. With a CVSS score of 7.8 (High), it presents a significant risk due to its low attack complexity and high impact on confidentiality, integrity, and availability. Despite its severity, there is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
>= 7.2.0, <= 7.2.10CPE matchmatch criteria
cpe:2.3:a:mcafee:drive_encryption:*:*:*:*:*:*:*:*
7.3.0CPE matchmatch criteria
cpe:2.3:a:mcafee:drive_encryption:7.3.0:-:*:*:*:*:*:*
7.3.0CPE matchmatch criteria
cpe:2.3:a:mcafee:drive_encryption:7.3.0:hotfix1:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.19%
Probability of exploitation in next 30 days
EPSS Percentile
9.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0019 is in the 34th percentile among its peer group of 17,061 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 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