This is an entry in the Common Vulnerability Index under number CVE-2019-0211. Specific details regarding this vulnerability name are as follows:
CVE Number: CVE-2019-0211
Description: A flaw was found in Apache where code executing in a less-privileged child process or thread could execute arbitrary code with the privilege of the parent process (usually root). An attacker having access to run arbitrary scripts on the web server (PHP, CGI etc) could use this flaw to run code on the web server with root privileges.
This flaw can only be exploited if users have access to upload and run untrusted scripts (PHP, CGI etc) on the web server. This kind of setup is very common in shared hosting environments etc.
Note for CVEs with status "Candidate": Candidates must be reviewed and accepted by the CVE Editorial Board before they can be added to the official CVE list. Therefore, these candidates may be modified or even rejected in the future. They are provided for use by individuals who have a need for an early numbering scheme for items that have not been fully reviewed by the Editorial Board.
According to an analysis conducted by Rapid7, more than 2,000,000 servers, many on public cloud platforms, are still running vulnerable versions of Apache. Most of the flawed systems are in the United States (~770,000), Germany (~224,000), and France (~111,000).