CVE-2021-31842 XML external entity in McAfee Endpoint Security (ENS) for WIndows
A local attacker can cause a denial of service by exploiting an XML entity expansion vulnerability in the endpoint security setup process.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-31842?
CVE-2021-31842 is a medium-severity vulnerability in McAfee,LLC McAfee Endpoint Security (ENS) for WIndows, published on 17 Sep 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-776
Which versions are affected by CVE-2021-31842?
It affects 1 product.
Products include Mcafee Endpoint Security.
How do I fix CVE-2021-31842?
No fix has been published for CVE-2021-31842 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-31842 being exploited?
There is no known exploitation of CVE-2021-31842 in the wild and no public exploit code.
Other vulnerabilities in McAfee,LLC McAfee Endpoint Security (ENS) for WIndows
- CVE-2020-7319 Improper Access Control Vulnerability in ENS for Windows
- CVE-2020-7264 Privilege Escalation vulnerability through symbolic links in ENS for Windows
- CVE-2020-7265 Privilege Escalation vulnerability through symbolic links in ENSM
- CVE-2019-3582 McAfee Endpoint Security updates fix a privilege escalation vulnerability
- CVE-2020-7257 Privilege Escalation vulnerability through Symbolic links in ENS
Sources
Also known as GHSA-93hf-xxfj-6gx3.