Description
The remote host reuses Diffie-Hellman Ephemeral public server keys with (EC)DHE cipher suites.
Remediation
Reconfigure the affected application to always generate new keys when using tmp_dh/tmp_ecdh parameters.
References
Raccoon Attack (Technical Paper, PDF)
Logjam Attack (Technical Paper, PDF)
List of SSL OP Flags (see: SSL_OP_SINGLE_DH_USE, SSL_OP_SINGLE_ECDH_USE)