As of our latest check on 2026-05-25, 83.240.12.105 (O2 Czech Republic, a.s., AS31246, Czechia) had 1 open port (80) and 4 known CVEs.
Known CVEs on this host
1open port
0names pointing here
4known CVEs
0known exploited
Open ports and CVEs as of our latest check of this host, 2026-05-25.
CVEs by severity: CRITICAL 1HIGH 1MEDIUM 2
A match is an indication, not proof: it is based on the software version a service reported, and fixes are often backported without changing the version. See the list
Not a Tor relay, not a VPN or privacy relay address, and not on a current public blocklist.
Services (1)
80/tcpHTTPboa 0.94.14rc214 CVEsfirst 2026-05-25 · last 2026-05-25
Raw response
HTTP/1.1 500 Server Error
Date: Wed, 02 Oct 2013 07:41:15 GMT
Server: Boa/0.94.14rc21
Accept-Ranges: bytes
Content-encoding: gzip
Connection: close
Content-Type: text/html; charset=ISO-8859-1
<HTML><HEAD><TITLE>500 Server Error</TITLE></HEAD>
<BODY><H1>500 Server Error</H1>
The server encountered an internal error and could not complete your request.
</BODY></HTML>
Vulnerabilities
Port history
Every port that has answered a connection on this address, and when. A port is listed as open above only when a service was identified on it. Times are UTC.