212.87.11.52 — 3 open ports, 37 known CVEs, network University of Warsaw

Known CVEs on this host

3open ports

0names pointing here

37known CVEs

0known exploited

Open ports and CVEs as of our latest check of this host, 2026-06-07.

CVEs by severity: CRITICAL 2 HIGH 9 MEDIUM 14 LOW 12

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

Earlier software versions of this host and the CVEs they had are kept as its history. See the history

Network: University of Warsaw AS8890
Open ports: 22, 80, 443 · at our latest check, 2026-06-07
Location: Poland PL
Hostname: 212-87-11-52.uw.edu.pl · reverse DNS, checked 2026-10-05
Route: 212.87.0.0/20 · announced by University of Warsaw AS8890 no RPKI authorisation
Organisation: University of Warsaw · Educational/Research
Registry network: DSK · 212.87.10.0 - 212.87.11.255 · RIPE
Abuse contact: [email protected] · for DSK
First seen: 2026-06-07 09:10 UTC
Last seen alive: 2026-06-07 09:11 UTC
Hosted domains: No host name points here

Reputation

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

Services (3)

22/tcp SSH openssh 8.4p1 37 CVEs first 2026-06-07 · last 2026-06-07

Raw response

SSH-2.0-OpenSSH_8.4p1 Debian-5+deb11u7

80/tcp HTTP first 2026-06-07 · last 2026-06-07

Raw response

HTTP/1.1 302 Found
Date: Sun, 07 Jun 2026 09:10:50 GMT
Server: Apache/2.4.67 (Debian)
Location: http://wp.al.uw.edu.pl/wp-signup.php?new=212.87.11.52
Content-Length: 0
Content-Type: text/html; charset=UTF-8

443/tcp TLS first 2026-06-07 · last 2026-06-07

TLS: TLSv1.2
Certificate for: *.al.uw.edu.pl, al.uw.edu.pl
Issued by: GEANT TLS RSA 1
Valid: 2025-10-06 → 2026-10-06

Raw response

HTTP/1.1 400 Bad Request
Date: Sun, 07 Jun 2026 09:10:50 GMT
Server: Apache/2.4.67 (Debian)
Content-Length: 485
Connection: close
Content-Type: text/html; charset=iso-8859-1

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<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>
<hr>
<address>Apache/2.4.67 (Debian) Server at web1.al.uw.edu.pl Port 80</address>
</body></html>

Vulnerabilities

CVE history

Software versions this host showed earlier, when we saw each, why it no longer applies, and the CVEs matched on it then. None of them is counted.

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.

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