CVE-2021-23883 Null Pointer Dereference vulnerability in McAfee Endpoint Security (ENS)
A local administrator can crash Windows via a specific system call in McAfee Endpoint Security due to a null pointer dereference.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-23883?
CVE-2021-23883 is a medium-severity vulnerability in McAfee LLC Endpoint Security (ENS) for Windows, published on 10 Feb 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
A Null Pointer Dereference vulnerability in McAfee Endpoint Security (ENS) for Windows prior to 10.7.0 February 2021 Update allows a local administrator to cause Windows to crash via a specific system call which is not handled correctly. This varies by machine and had partial protection prior to this update.
Weakness: CWE-476
Which versions are affected by CVE-2021-23883?
It affects 1 product.
Products include Mcafee Endpoint Security.
How do I fix CVE-2021-23883?
No fix has been published for CVE-2021-23883 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-23883 being exploited?
There is no known exploitation of CVE-2021-23883 in the wild and no public exploit code.
Other vulnerabilities in McAfee LLC 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-fcrq-5g5m-qh6j.