GeneralInformation

Hostnames	a820.cc www.a820.cc
Domains	a820.cc
Country	Hong Kong
City	Tseung Kwan O
Organization	Skycloud Computing co., Ltd.
ISP	Skycloud Computing co., Ltd.
ASN	AS7483

Vulnerabilities

Note: the device may not be impacted by all of these issues. The vulnerabilities are implied based on the software and version.

2023(1)

CVE-2023-44487

7.5The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023.

2021(1)

CVE-2021-3618

7.4ALPACA is an application layer protocol content confusion attack, exploiting TLS servers implementing different protocols but using compatible certificates, such as multi-domain or wildcard certificates. A MiTM attacker having access to victim's traffic at the TCP/IP layer can redirect traffic from one subdomain to another, resulting in a valid TLS session. This breaks the authentication of TLS and cross-protocol attacks may be possible where the behavior of one protocol service may compromise the other at the application layer.

OpenPorts

80 443 12500

443 / tcp

0 | 2025-03-17T01:18:13.181796

SSL Certificate

Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number:
            32:4e:c6:59:85:b9:f9:13:ad:7c:98:23:e6:56:b5:61
        Signature Algorithm: sha256WithRSAEncryption
        Issuer: C=PL, O=Unizeto Technologies S.A., OU=Certum Certification Authority, CN=Certum Domain Validation CA SHA2
        Validity
            Not Before: Jun  6 13:52:37 2023 GMT
            Not After : Jul  5 13:52:36 2024 GMT
        Subject: CN=a820.cc
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
                Public-Key: (2048 bit)
                Modulus:
                    00:ae:ee:97:01:8e:10:7a:e5:c1:27:24:d8:a9:11:
                    cd:c6:cf:83:5b:fd:e8:8a:02:b2:e4:1a:6d:10:9e:
                    75:e1:db:51:48:e2:09:89:9f:b9:ea:b5:09:81:78:
                    de:d5:ed:d9:cb:7a:30:6d:d4:0d:d2:de:21:05:85:
                    11:d3:96:c6:73:ae:2e:2c:c6:da:e6:4a:35:ab:2c:
                    35:4f:b2:a0:d1:7e:81:3b:21:70:4c:70:c9:5c:f4:
                    1c:aa:83:7a:61:39:cb:c2:e8:7e:aa:5f:c3:f7:96:
                    db:f5:cf:d1:60:44:64:a5:90:49:ae:86:17:c7:4e:
                    2c:e6:44:53:bd:5e:a0:db:1a:84:39:8c:ce:20:c3:
                    45:35:d8:a1:3e:10:63:99:c1:99:58:08:22:b8:86:
                    e3:16:80:1f:a4:ac:c6:78:50:4e:01:9c:3f:17:be:
                    42:be:5f:4f:ce:c4:70:80:29:0b:a6:fa:4f:90:ad:
                    6b:44:aa:eb:cb:9a:98:b5:79:e6:6c:5f:2c:44:98:
                    4a:cf:d0:ab:a3:ea:68:8c:b1:34:cc:f1:0b:d0:2f:
                    95:ed:c7:34:a2:6e:ea:8a:06:40:f4:15:a6:06:e2:
                    52:bb:81:92:17:1a:82:e3:82:7f:a4:7c:6b:4b:b9:
                    c6:35:0d:70:55:62:73:10:28:02:21:af:50:2e:5e:
                    f8:87
                Exponent: 65537 (0x10001)
        X509v3 extensions:
            X509v3 Basic Constraints: critical
                CA:FALSE
            X509v3 CRL Distribution Points: 
                Full Name:
                  URI:http://crl.certum.pl/dvcasha2.crl
            Authority Information Access: 
                OCSP - URI:http://dvcasha2.ocsp-certum.com
                CA Issuers - URI:http://repository.certum.pl/dvcasha2.cer
            X509v3 Authority Key Identifier: 
                E5:31:AD:BF:3A:11:96:F4:83:BC:50:3C:D4:B7:90:9B:90:EE:DE:25
            X509v3 Subject Key Identifier: 
                C9:17:10:88:72:96:6D:45:F3:06:D2:19:B0:1D:CD:04:A0:ED:26:47
            X509v3 Issuer Alternative Name: 
                email:dvcasha2@certum.pl
            X509v3 Certificate Policies: 
                Policy: 2.23.140.1.2.1
                Policy: 1.2.616.1.113527.2.5.1.3
                  CPS: https://www.certum.pl/CPS
            X509v3 Extended Key Usage: 
                TLS Web Server Authentication, TLS Web Client Authentication
            X509v3 Key Usage: critical
                Digital Signature, Key Encipherment
            X509v3 Subject Alternative Name: 
                DNS:a820.cc, DNS:www.a820.cc
            CT Precertificate SCTs: 
                Signed Certificate Timestamp:
                    Version   : v1 (0x0)
                    Log ID    : EE:CD:D0:64:D5:DB:1A:CE:C5:5C:B7:9D:B4:CD:13:A2:
                                32:87:46:7C:BC:EC:DE:C3:51:48:59:46:71:1F:B5:9B
                    Timestamp : Jun  6 13:52:38.138 2023 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:46:02:21:00:CE:3E:1B:9A:27:10:7B:A0:C3:71:DF:
                                BC:47:FA:14:84:D9:06:F8:B6:DC:37:C2:79:1A:4D:48:
                                2E:D7:C0:60:94:02:21:00:DA:04:5D:11:38:48:75:43:
                                71:B5:02:8B:7A:B2:E1:81:68:A5:A1:EE:DC:2D:A6:DA:
                                76:22:8B:C8:3E:51:81:6B
                Signed Certificate Timestamp:
                    Version   : v1 (0x0)
                    Log ID    : 48:B0:E3:6B:DA:A6:47:34:0F:E5:6A:02:FA:9D:30:EB:
                                1C:52:01:CB:56:DD:2C:81:D9:BB:BF:AB:39:D8:84:73
                    Timestamp : Jun  6 13:52:38.161 2023 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:45:02:21:00:8A:94:0A:8C:BE:5E:24:A6:25:70:0F:
                                BA:05:15:2D:5A:8F:DB:74:FC:FF:CF:5A:2E:B5:AF:81:
                                C9:A9:66:2C:E4:02:20:45:BE:9B:A3:54:83:D7:B2:D0:
                                B9:02:B4:4B:2C:8F:F7:B4:68:51:47:03:28:58:6C:E6:
                                AA:5C:E6:F0:6B:A6:31
                Signed Certificate Timestamp:
                    Version   : v1 (0x0)
                    Log ID    : DA:B6:BF:6B:3F:B5:B6:22:9F:9B:C2:BB:5C:6B:E8:70:
                                91:71:6C:BB:51:84:85:34:BD:A4:3D:30:48:D7:FB:AB
                    Timestamp : Jun  6 13:52:38.195 2023 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:45:02:21:00:E2:43:03:F3:83:49:93:3A:E8:96:F0:
                                49:E7:30:E4:2B:98:50:50:2F:C1:32:71:DD:88:5C:FC:
                                2B:84:5B:07:22:02:20:29:62:DC:DA:8F:9C:A9:64:1C:
                                E5:1F:DE:13:78:F1:A5:3C:F5:03:BA:7C:D0:D5:EA:E6:
                                5F:9F:4B:4B:61:76:85
    Signature Algorithm: sha256WithRSAEncryption
    Signature Value:
        0a:8c:bf:30:9c:97:71:13:55:6a:f5:27:ff:73:a3:16:ee:78:
        7b:2d:24:1e:89:26:f2:72:15:70:65:f2:fd:4e:dd:f3:ef:36:
        2f:a7:7b:c3:f0:f5:f3:69:37:fb:25:93:0e:06:a3:06:88:23:
        90:d1:9a:5d:77:52:88:69:18:9d:58:d0:43:ce:ff:00:f1:37:
        b8:7b:fe:fb:10:82:49:fd:ed:2c:3a:a7:91:90:ce:f7:2b:d8:
        17:47:52:e7:f0:73:11:7f:f7:5c:7e:13:77:a3:6b:3e:67:e5:
        2f:0e:fe:93:1d:fe:ea:bf:21:94:e1:43:16:d9:bf:41:6b:84:
        4b:f8:22:1b:1c:ad:30:97:c2:cb:51:62:6e:65:c2:e1:13:67:
        6d:78:af:cb:29:3c:b4:69:7a:13:a8:25:25:e2:46:0d:c2:db:
        7b:de:80:bd:d5:bc:c9:4a:34:8d:1d:7e:d9:b5:81:d2:7a:d1:
        ea:1d:94:87:c4:e5:0b:13:5b:50:09:97:c6:7b:64:db:c7:f4:
        b1:35:25:d7:3c:cd:87:8a:e5:64:75:35:a1:c4:1f:4b:20:d2:
        f1:b6:fe:37:6f:d5:4b:55:01:c6:8e:56:e0:59:fe:6e:d5:ae:
        72:05:dd:77:13:f7:c1:02:1d:37:b6:ab:e1:19:cd:cd:7e:95:
        a2:db:61:f5

12500 / tcp

1145270429 | 2025-03-22T08:34:35.953391

Hashes

hash

-1361620266

http.dom_hash

652195851

http.html_hash

1145270429

http.server_hash

1830366617

http.title_hash

1104166459

497

HTTP/1.1 497 Http to Https
Server: nginx/1.20.1
Date: Sat, 22 Mar 2025 08:35:02 GMT
Content-Type: text/html; charset=utf-8
Content-Length: 883
Connection: close

Vulnerabilities

103.42.144.239

Last Seen: 2025-03-24

Tags:

GeneralInformation

Vulnerabilities

OpenPorts

443 / tcp

0 | 2025-03-17T01:18:13.181796

12500 / tcp

1145270429 | 2025-03-22T08:34:35.953391

Hashes

nginx1.20.1

Products

Pricing

Contact Us

103.42.144.239

Last Seen: 2025-03-24

Tags:

GeneralInformation

Vulnerabilities All ports Port 12500 Latest CVSS

OpenPorts

443 / tcp 0 | 2025-03-17T01:18:13.181796

12500 / tcp 1145270429 | 2025-03-22T08:34:35.953391

Hashes

nginx1.20.1

Products

Pricing

Contact Us

Vulnerabilities

443 / tcp

0 | 2025-03-17T01:18:13.181796

12500 / tcp

1145270429 | 2025-03-22T08:34:35.953391