- Server
- SSH-2.0-OpenSSH_9.2p1 Debian-2+deb12u2
- Host key
- ssh-ed25519 21e9d40ec621dc35…
Raw response
SSH-2.0-OpenSSH_9.2p1 Debian-2+deb12u2
Host
81.91.84.252
As of our latest check on 2026-05-24, 81.91.84.252 (Web4U s.r.o., AS39790, Czechia) had 2 open ports (22, 80) and 31 known CVEs, 1 known to be exploited.
Known CVEs on this host
2open ports
0names pointing here
31known CVEs
1known exploited
Open ports and CVEs as of our latest check of this host, 2026-05-24.
CVEs by severity: HIGH 9 MEDIUM 13 LOW 9
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: 7 fixed by the distribution (openssh 9.2p1). See them
- Network
- Web4U s.r.o. AS39790
- Open ports
- 22, 80 · at our latest check, 2026-05-24
- Location
- Czechia CZ
- Hostname
- d312-fw-2.uvm.cz · reverse DNS, checked 2026-10-04
- Route
- 81.91.80.0/21 · announced by Web4U s.r.o. AS39790 RPKI valid
- Organisation
- Web4U s.r.o. · Content / hosting
- Registry network
- WEB4U-NET-CUST-84 · 81.91.84.0 - 81.91.84.255 · Web4U s.r.o. · RIPE
- Abuse contact
- [email protected] · for WEB4U-NET-CUST-84
- First seen
- 2026-05-24 02:32 UTC
- Last seen alive
- 2026-05-24 02:33 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 (2)
- Status
- 200 OK
- Title
- Welcome to nginx!
- Server
- nginx/1.22.1
Raw response
HTTP/1.1 200 OK
Server: nginx/1.22.1
Date: Sun, 24 May 2026 02:32:30 GMT
Content-Type: text/html
Last-Modified: Mon, 05 Jun 2023 11:48:00 GMT
Transfer-Encoding: chunked
Connection: keep-alive
ETag: W/"647dcb70-264"
Content-Encoding: gzip
180
�uR=o�0��+�̗S���U5P����y6m�D��r5�����交Z���=R����f����Cc��EةW| ����r$(i��ׅ�k¸\f}`@ρ�~���=���;�����s0�(�>����=�r�c�a��G����$&5��ǰ��)_e߯������W��E��{�5j��|�a�
�T��3L8�FMZ������l�mK9�5�|�C�0u����Ӱ��*Z.�r��P���=W/�m���4�gN�'���)���j�ib)0�LZ�+ha�Fu�\��L;kO[ز��9��b�u����IZ��R�����@��?���3��+�uG�ُ��N��UH�*��*��I���[��g��*d
0
Vulnerabilities
Fixed by the distribution (7)
The distribution's security data says the package revision this service shows already has the fix for these CVEs, or that its build is not affected. They are not counted.
CVEs by severity: CRITICAL 2 MEDIUM 3 LOW 2
| CVE | Software |
|---|---|
| CVE-2023-28531 CRITICAL 9.8 | openssh 9.2p1 · port 22 |
| CVE-2023-38408 CRITICAL 9.8 | openssh 9.2p1 · port 22 |
| CVE-2023-51385 MEDIUM 6.5 | openssh 9.2p1 · port 22 |
| CVE-2023-48795 MEDIUM 5.9 | openssh 9.2p1 · port 22 |
| CVE-2023-51384 MEDIUM 5.5 | openssh 9.2p1 · port 22 |
| CVE-2026-106588 LOW 3.1 | openssh 9.2p1 · port 22 |
| CVE-2026-106589 LOW 2.9 | openssh 9.2p1 · port 22 |
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.