Kayran has detected that the version of Apache HTTP Server being used is vulnerable to a NULL Pointer Dereference vulnerability. Also known as CVE-2021-26690.
By using a specially crafted Cookie header handled by mod_session that can cause a NULL pointer dereference that could lead to crashes or an exit.
That may lead to a possible Denial Of Service (DoS) attack against your assets.
This will cause a decrease in performance and also for interruptions in the availability of resources.
To fix CVE-2021-26690, upgrade the version of Apache Server being used to 2.4.48.