Host

161.53.23.9

Tags: Expired certificate

As of our latest check on 2026-06-03, 161.53.23.9 (Croatian Academic and Research Network, AS2108, Croatia) had 2 open ports (80, 443) and 108 known CVEs, 3 known to be exploited.

Known CVEs on this host

2open ports
4names pointing here
108known CVEs
3known exploited

Open ports and CVEs as of our latest check of this host, 2026-06-03.

CVEs by severity: CRITICAL 24 HIGH 58 MEDIUM 25 LOW 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 2.4.38). See them

Network
Croatian Academic and Research Network AS2108
Open ports
80, 443 · at our latest check, 2026-06-03
Location
Croatia HR
Hostname
garbin.unidu.hr · reverse DNS, checked 2026-10-05
Route
161.53.0.0/16 · announced by Croatian Academic and Research Network AS2108 RPKI valid
Organisation
CARNet · Educational/Research
Registry network
CARNET-SVEUCDUBR · 161.53.23.0 - 161.53.23.255 · RIPE
Abuse contact
[email protected] · for CARNET-SVEUCDUBR
First seen
2026-06-03 09:10 UTC
Last seen alive
2026-06-03 09:10 UTC
Hosted domains
4 names point here

Reputation

Not a Tor relay, not a VPN or privacy relay address, and not on a current public blocklist.

Services (2)

80/tcp HTTP Apache/2.4.38 108 CVEs first 2026-06-03 · last 2026-06-03
Status
301 Moved Permanently
Server
Apache/2.4.38
Raw response
HTTP/1.1 301 Moved Permanently
Date: Wed, 03 Jun 2026 09:10:13 GMT
Server: Apache/2.4.38
Expires: Wed, 03 Jun 2026 10:10:13 GMT
Cache-Control: max-age=3600
X-Redirect-By: WordPress
Location: https://www.unidu.hr/
Transfer-Encoding: chunked
Content-Type: text/html; charset=UTF-8

2
 

0
443/tcp TLS first 2026-06-03 · last 2026-06-03
TLS
TLSv1.2
Certificate for
garbin.unidu.hr, www.unidu.hr
Issued by
R13
Valid
2026-05-19 → 2026-08-17
Raw response
HTTP/1.1 400 Bad Request
Date: Wed, 03 Jun 2026 09:10:13 GMT
Server: Apache/2.4.38
Content-Length: 362
Connection: close
Content-Type: text/html; charset=iso-8859-1

<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
<html><head>
<title>400 Bad Request</title>
</head><body>
<h1>Bad Request</h1>
<p>Your browser sent a request that this server could not understand.<br />
Reason: You're speaking plain HTTP to an SSL-enabled server port.<br />
 Instead use the HTTPS scheme to access this URL, please.<br />
</p>
</body></html>

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.

CVEs by severity: HIGH 2 MEDIUM 2

CVESoftware
CVE-2024-40898 HIGH 7.5 http_server 2.4.38 · port 80
CVE-2024-43394 HIGH 7.5 http_server 2.4.38 · port 80
CVE-2020-13938 MEDIUM 5.5 http_server 2.4.38 · port 80
CVE-2022-28330 MEDIUM 5.3 http_server 2.4.38 · port 80

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.

Hostnames pointing to this address

4 names · as answered by each domain's own name servers

garbin.unidu.hrfirst seen 2026-10-03
lapis.unidu.hrfirst seen 2026-10-03
shop.unidu.hrfirst seen 2026-10-03
www.unidu.hrfirst seen 2026-10-03