CVE-2021-23873: McAfee Total Protection Directory Junction Denial-of-Service Vulnerability
Privilege Escalation vulnerability in McAfee Total Protection (MTP) prior to 16.0.30 allows a local user to gain elevated privileges and perform arbitrary file deletion as the SYSTEM user potentially causing Denial of Service via manipulating Junction link, after enumerating certain files, at a specific time.
Other sources
This vulnerability allows local attackers to create a denial-of-service condition on affected installations of McAfee Total Protection. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the implementation of the QuickClean feature. By creating a directory junction, an attacker can abuse QuickClean to delete a file. An attacker can leverage this vulnerability to create a denial-of-service condition on the system.
Affected Software
Event History
Frequently Asked Questions
What is CVE-2021-23873?
CVE-2021-23873 refers to the McAfee Total Protection Directory Junction Denial-of-Service Vulnerability.
How does CVE-2021-23873 impact McAfee Total Protection?
This vulnerability allows local attackers to create a denial-of-service condition on affected installations of McAfee Total Protection.
What is the severity of CVE-2021-23873?
The severity of CVE-2021-23873 is rated as high with a CVSS score of 6.1.
How can CVE-2021-23873 be exploited?
In order to exploit CVE-2021-23873, an attacker must first obtain the ability to execute low-privileged code on the target system.
Is there a fix available for CVE-2021-23873?
To fix CVE-2021-23873, it is recommended to apply the latest security updates provided by McAfee.