As of our latest check on 2026-06-02, 147.231.55.148 (CESNET z.s.p.o., AS2852, Czechia) had 1 open port (80) and 112 known CVEs, 2 known to be exploited.
Known CVEs on this host
1open port
0names pointing here
112known CVEs
2known exploited
Open ports and CVEs as of our latest check of this host, 2026-06-02.
CVEs by severity: CRITICAL 26HIGH 50MEDIUM 35LOW 1
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 counted: 4 only affect a particular platform; this host's is not known (http_server 2.4.10). See them
Not a Tor relay, not a VPN or privacy relay address, and not on a current public blocklist.
Services (1)
80/tcpHTTPApache/2.4.10112 CVEsfirst 2026-06-02 · last 2026-06-02
Status
200 OK
Server
Apache/2.4.10
Raw response
HTTP/1.1 200 OK
Date: Tue, 02 Jun 2026 09:36:04 GMT
Server: Apache/2.4.10
Last-Modified: Tue, 25 Jan 2022 20:16:59 GMT
ETag: "14-5d66dc47264c5"
Accept-Ranges: bytes
Content-Length: 20
Content-Type: text/html
mermeid4.udu.cas.cz
Vulnerabilities
Only affects certain platforms (4)
These CVEs only apply when the software runs on a particular platform (for example Windows), and this host's platform is not known. They are not counted.
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.