Perfect Forward Secrecy (PFS) is unavailable with the server configuration. If the TLS encryption is broken once, recordings of previous connections are not secure and may be decrypted.
Security Assessment
CVSS Vector: AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Vulnerability Information
Perfect Forward Secrecy (PFS) is unavailable with the server configuration. If the TLS encryption is broken once, recordings of previous connections are not secure and may be decrypted.
Guides
To enable PFS, configure your webserver to only use recent cipher suites that include PFS. See the following wiki article for details: Secure TLS Configuration