{"id":"CVE-2023-5222","aliases":["EUVD-2023-57551","GHSA-cm4f-g738-hp2g"],"status":"published","title":"Viessmann Vitogate 300 Web Management Interface vitogate.cgi isValidUser hard-coded password","description":"A vulnerability classified as critical was found in Viessmann Vitogate 300 up to 2.1.3.0. This vulnerability affects the function isValidUser of the file /cgi-bin/vitogate.cgi of the component Web Management Interface. The manipulation leads to use of hard-coded password. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-240364. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.","severity":{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.80402,"percentile":0.99626,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-259"],"published":"2023-09-27T13:31:06Z","modified":"2026-06-17T06:48:07Z","exploits":[{"source":"exploitdb","id":"EDB-51887","title":"Viessmann Vitogate 300 2.1.3.0 - Remote Code Execution (RCE)","type":"remote","platform":"hardware","date":"2024-03-14","url":"https://www.exploit-db.com/exploits/51887"},{"source":"nuclei","id":"CVE-2023-5222","title":"Viessmann Vitogate 300 - Hardcoded Password","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-5222.yaml"}],"products":[{"vendor":"viessmann","product":"vitogate 300"},{"vendor":"viessmann","product":"vitogate_300_firmware"}],"references":[{"url":"https://vuldb.com/?id.240364","tags":["vdb-entry","technical-description","x_transferred","Permissions Required","Third Party Advisory","VDB Entry"]},{"url":"https://vuldb.com/?ctiid.240364","tags":["signature","permissions-required","x_transferred","Permissions Required","Third Party Advisory","VDB Entry"]},{"url":"https://github.com/Push3AX/vul/blob/main/viessmann/Vitogate300_HardcodedPassword.md","tags":["exploit","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-5222"},{"url":"https://github.com/advisories/GHSA-cm4f-g738-hp2g"}],"sources":{"cve":[{"id":"CVE-2023-5222","title":"Viessmann Vitogate 300 Web Management Interface vitogate.cgi isValidUser hard-coded password","description":"A vulnerability classified as critical was found in Viessmann Vitogate 300 up to 2.1.3.0. This vulnerability affects the function isValidUser of the file /cgi-bin/vitogate.cgi of the component Web Management Interface. The manipulation leads to use of hard-coded password. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-240364. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.","status":"published","published":"2023-09-27T13:31:06.216Z","modified":"2024-08-02T07:52:08.454Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"cna"},{"version":"3.0","score":6.3,"vector":"CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"cna"},{"version":"2.0","score":5.8,"vector":"AV:A/AC:L/Au:N/C:P/I:P/A:P","assessor":"cna"}],"cwes":["CWE-259"],"updated_at":"2026-11-02T14:35:16.771348Z"}],"euvd":[{"id":"EUVD-2023-57551","description":"A vulnerability classified as critical was found in Viessmann Vitogate 300 up to 2.1.3.0. This vulnerability affects the function isValidUser of the file /cgi-bin/vitogate.cgi of the component Web Management Interface. The manipulation leads to use of hard-coded password. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-240364. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.","status":"published","published":"2023-09-27T13:31:06Z","modified":"2024-08-02T07:52:08Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-03T03:50:11.629738Z"}],"ghsa":[{"id":"GHSA-cm4f-g738-hp2g","title":"A vulnerability classified as critical was found in Viessmann Vitogate 300 up to 2.1.3.0. This...","description":"A vulnerability classified as critical was found in Viessmann Vitogate 300 up to 2.1.3.0. This vulnerability affects the function isValidUser of the file /cgi-bin/vitogate.cgi of the component Web Management Interface. The manipulation leads to use of hard-coded password. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-240364. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.","status":"published","published":"2023-09-27T15:30:40Z","modified":"2023-11-08T05:01:54Z","cvss":[{"version":"3.0","score":6.3,"vector":"CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"cwes":["CWE-259"],"updated_at":"2026-11-02T14:54:55.009139Z"}],"nvd":[{"id":"CVE-2023-5222","description":"A vulnerability classified as critical was found in Viessmann Vitogate 300 up to 2.1.3.0. This vulnerability affects the function isValidUser of the file /cgi-bin/vitogate.cgi of the component Web Management Interface. The manipulation leads to use of hard-coded password. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-240364. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.","status":"published","published":"2023-09-27T15:19:43.387Z","modified":"2026-06-17T06:48:07.123Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":5.8,"vector":"AV:A/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"secondary"}],"cwes":["CWE-259"],"updated_at":"2026-11-02T14:08:31.699785Z"}]}}