CVE-2021-23882 Improper Access Control in the ENS installer
Local administrators can prevent installation of security files by placing crafted files, potentially bypassing security controls during clean installs.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-23882?
CVE-2021-23882 is a high-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, with no action from the victim.
Official description
Improper Access Control vulnerability in McAfee Endpoint Security (ENS) for Windows prior to 10.7.0 February 2021 Update allows local administrators to prevent the installation of some ENS files by placing carefully crafted files where ENS will be installed. This is only applicable to clean installations of ENS as the Access Control rules will prevent modification prior to up an upgrade.
Weakness: CWE-269
Which versions are affected by CVE-2021-23882?
It affects 1 product.
Products include Mcafee Endpoint Security.
How do I fix CVE-2021-23882?
No fix has been published for CVE-2021-23882 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-23882 being exploited?
There is no known exploitation of CVE-2021-23882 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-x6wv-qc8f-w4r2.