Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2021-31842

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
17/09/2021
Last modified:
07/11/2023

Description

XML Entity Expansion injection vulnerability in McAfee Endpoint Security (ENS) for Windows prior to 10.7.0 September 2021 Update allows a local user to initiate high CPU and memory consumption resulting in a Denial of Service attack through carefully editing the EPDeploy.xml file and then executing the setup process.

Impact

Vector 3.x
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 5.50 MEDIUM
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x
5.50
Severity 3.x
MEDIUM
Vector 2.0
AV:L/AC:L/Au:N/C:N/I:N/A:P CVSS v2.0 Severity and Metrics:

Base Score: 2.10 LOW
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P

Attack Vector (AV): Local
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Physical

Base Score 2.0
2.10
Severity 2.0
LOW

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:mcafee:endpoint_security:*:*:*:*:*:windows:*:* 10.7.0 (excluding)
cpe:2.3:a:mcafee:endpoint_security:10.7.0:april_2020:*:*:*:windows:*:*
cpe:2.3:a:mcafee:endpoint_security:10.7.0:april_2021:*:*:*:windows:*:*
cpe:2.3:a:mcafee:endpoint_security:10.7.0:february_2020:*:*:*:windows:*:*
cpe:2.3:a:mcafee:endpoint_security:10.7.0:february_2021:*:*:*:windows:*:*
cpe:2.3:a:mcafee:endpoint_security:10.7.0:july_2020:*:*:*:windows:*:*
cpe:2.3:a:mcafee:endpoint_security:10.7.0:june_2021:*:*:*:windows:*:*
cpe:2.3:a:mcafee:endpoint_security:10.7.0:november_2020:*:*:*:windows:*:*
cpe:2.3:a:mcafee:endpoint_security:10.7.0:september_2020:*:*:*:windows:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools