Description
During the scan, Kayran managed to find that one of the TLS / SSL certificates used by your server will soon expire
One of the TLS / SSL certificates used by your server will soon expire when the certificate expires, web browsers will display a security warning to end-users, asking them to manually verify the credibility of the certificate on your server.
Bussines Impact
An attacker could exploit this vulnerability to carry out a Man In The Middle attack because the traffic was not encrypted.
Recommendation
Contact a company that provides certification for your server and require them to renew as soon as possible.