CVE-2021-31842: Medium severity mcafee endpoint security vulnerability

Q: What is CVE-2021-31842?

CVE-2021-31842 is an XML Entity Expansion injection vulnerability in McAfee Endpoint Security (ENS) for Windows prior to version 10.7.0 September 2021 Update.

Q: How does CVE-2021-31842 affect McAfee Endpoint Security?

CVE-2021-31842 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.

Q: What is the severity of CVE-2021-31842?

CVE-2021-31842 has a severity level of medium with a CVSS score of 5.5.

Q: Which versions of McAfee Endpoint Security are affected by CVE-2021-31842?

McAfee Endpoint Security versions prior to 10.7.0 September 2021 Update are affected by CVE-2021-31842.

Q: How can I fix CVE-2021-31842 vulnerability?

To fix CVE-2021-31842, users should update their McAfee Endpoint Security to version 10.7.0 September 2021 Update or later.

Published Sep 17, 2021

Updated

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.

Affected Software

9 affected components

McAfee Endpoint Security Windows<10.7.0

McAfee Endpoint Security Windows=10.7.0-april_2020

McAfee Endpoint Security Windows=10.7.0-april_2021

McAfee Endpoint Security Windows=10.7.0-february_2020

McAfee Endpoint Security Windows=10.7.0-february_2021

McAfee Endpoint Security Windows=10.7.0-july_2020

McAfee Endpoint Security Windows=10.7.0-june_2021

McAfee Endpoint Security Windows=10.7.0-november_2020

McAfee Endpoint Security Windows=10.7.0-september_2020

Remediation

Patch Available

https://kc.mcafee.com/corporate/index?page=content&id=SB10367

Event History

Sep 17, 2021

CVE Published

via MITRE·01:35 PM

Data Sourced

via MITRE·01:35 PM

DescriptionSeverityWeakness

Frequently Asked Questions

What is CVE-2021-31842?

CVE-2021-31842 is an XML Entity Expansion injection vulnerability in McAfee Endpoint Security (ENS) for Windows prior to version 10.7.0 September 2021 Update.

How does CVE-2021-31842 affect McAfee Endpoint Security?

CVE-2021-31842 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.

What is the severity of CVE-2021-31842?