mcafee endpoint-security CVE-2021-31843 is a vulnerability in McAfee Endpoint Security
Published on September 17, 2021

Improper access control vulnerability in McAfee ENS for Windows
Improper privileges management vulnerability in McAfee Endpoint Security (ENS) Windows prior to 10.7.0 September 2021 Update allows local users to access files which they would otherwise not have access to via manipulating junction links to redirect McAfee folder operations to an unintended location.

NVD

Vulnerability Analysis

CVE-2021-31843 can be exploited with local system access, requires user interaction and a small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.

Attack Vector:
LOCAL
Attack Complexity:
LOW
Privileges Required:
LOW
User Interaction:
REQUIRED
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH

Weakness Type

What is an insecure temporary file Vulnerability?

The software attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.

CVE-2021-31843 has been classified to as an insecure temporary file vulnerability or weakness.


Products Associated with CVE-2021-31843

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Affected Versions

McAfee,LLC McAfee Endpoint Security (ENS) for WIndows:

Exploit Probability

EPSS
0.03%
Percentile
9.70%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.