Deep SSL/TLS Vulnerability Test

This report provides a deep analysis of the SSL/TLS configuration of cpu.userbenchmark.com. It checks for protocol support, cipher strength, and known vulnerabilities.

Scan Results

 Start 2026-01-02 16:29:25        -->> 51.161.86.168:443 (cpu.userbenchmark.com) <<--

 rDNS (51.161.86.168):   ns574896.ip-51-161-86.net.
 Service detected:       HTTP

 Testing for server implementation bugs 

 No bugs found.

 Testing HTTP header response @ "/" 

 HTTP Status Code             303 See Other. Oh, didn't expect "303 See Other"
 HTTP clock skew              0 sec from localtime
 Strict Transport Security    not offered
 Public Key Pinning           --
 Server banner                Apache
 Application banner           --
 Cookie(s)                    1 issued: 1/1 secure, 1/1 HttpOnly -- HTTP status 303 signals you maybe missed the web application
 Security headers             --
 Reverse Proxy banner         --


 Testing vulnerabilities 

 Secure Renegotiation (RFC 5746)           supported (OK)
 Secure Client-Initiated Renegotiation     not vulnerable (OK)
 CRIME, TLS (CVE-2012-4929)                not vulnerable (OK)
 BREACH (CVE-2013-3587)                    no gzip/deflate/compress/br HTTP compression (OK)  - only supplied "/" tested
 POODLE, SSL (CVE-2014-3566)               not vulnerable (OK)
 TLS_FALLBACK_SCSV (RFC 7507)              Downgrade attack prevention supported (OK)
 SWEET32 (CVE-2016-2183, CVE-2016-6329)    not vulnerable (OK)
 FREAK (CVE-2015-0204)                     not vulnerable (OK)
 DROWN (CVE-2016-0800, CVE-2016-0703)      not vulnerable on this host and port (OK)
                                           make sure you don't use this certificate elsewhere with SSLv2 enabled services, see
                                           https://search.censys.io/search?resource=hosts&virtual_hosts=INCLUDE&q=8821DC8727138366311D451DF4C0CD31E735E629C1C506BE55074B7F698C4201
 LOGJAM (CVE-2015-4000), experimental      common prime with 2048 bits detected: RFC3526/Oakley Group 14 (2048 bits),
                                           but no DH EXPORT ciphers
 BEAST (CVE-2011-3389)                     TLS1: ECDHE-RSA-AES256-SHA
                                                 DHE-RSA-AES256-SHA AES256-SHA
                                                 ECDHE-RSA-AES128-SHA
                                                 DHE-RSA-AES128-SHA AES128-SHA 
                                           VULNERABLE -- but also supports higher protocols  TLSv1.1 TLSv1.2 (likely mitigated)
 LUCKY13 (CVE-2013-0169), experimental     potentially VULNERABLE, uses obsolete cipher block chaining ciphers with TLS, see server prefs.
 Winshock (CVE-2014-6321), experimental    not vulnerable (OK) - ARIA, CHACHA or CCM ciphers found
 RC4 (CVE-2013-2566, CVE-2015-2808)        no RC4 ciphers detected (OK)


 Done 2026-01-02 16:30:18 [  61s] -->> 51.161.86.168:443 (cpu.userbenchmark.com) <<--


About this Scan

This scan uses testssl.sh to check for:

  • Protocols: SSLv2, SSLv3, TLS 1.0, TLS 1.1, TLS 1.2, TLS 1.3
  • Vulnerabilities: Heartbleed, POODLE, FREAK, Logjam, DROWN, etc.
  • Cipher Suites: Weak ciphers, perfect forward secrecy (PFS) support.

Run Another Scan Recent Scans