The server supports RC4 (Rivest Cipher 4), which is a cipher stream that is considered insecure due to multiple known vulnerabilities.
Security Assessment

CVSS Vector: AV:N/AC:M/AU:N/C:P/I:N/A:N
Vulnerability Information
The server supports RC4 (Rivest Cipher 4), which is a cipher stream that is considered insecure due to multiple known vulnerabilities.
Guides
Please chose only cipher suites with strong encryption algorithms. For guides, refer to the following wiki article: Secure TLS Configuration