{"id":"CVE-2023-5222","url":"https://www.cyber-defence.io/tools/cve/CVE-2023-5222","generatedAt":"2026-11-04T22:54:58.751Z","title":"A vulnerability classified as critical was found in Viessmann Vitogate 300 up to 2.1.3.0.","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.","published":"2023-09-27T15:19:43.000Z","lastModified":"2026-06-17T06:48:07.000Z","status":"Modified","sourceIdentifier":"cna@vuldb.com","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-259"],"affected":["viessmann/vitogate 300 firmware"],"epss":{"score":0.80402,"percentile":0.99623,"date":"2026-11-03","history":[{"date":"2026-09-28","score":0.80186,"percentile":0.99607}]},"kev":{"listed":false},"exploits":{"count":1,"verified":false,"firstPublished":"2024-03-14","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":51887,"kind":"exploit","title":"Viessmann Vitogate 300 2.1.3.0 - Remote Code Execution (RCE)","url":"https://www.exploit-db.com/exploits/51887","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/hardware/remote/51887.py","file":"exploits/hardware/remote/51887.py","published":"2024-03-14","added":"2024-03-14","updated":"2024-03-14","author":"ByteHunter","type":"remote","platform":"hardware","port":null,"verified":false,"codes":["CVE-2023-5702","CVE-2023-5222"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":null}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 80.4%, higher than 100% of all known CVEs. Patch or mitigate before the next change window."},"changes":[{"kind":"epss","label":"EPSS jump","at":"2026-09-28T00:00:00.000Z","detail":{"to":0.80186,"from":0.74525,"percentile":0.99607},"summary":"EPSS moved from 74.5% to 80.2% probability of exploitation in the next thirty days."}],"references":[{"url":"https://github.com/Push3AX/vul/blob/main/viessmann/Vitogate300_HardcodedPassword.md","tags":["Exploit","Third Party Advisory"],"source":"cna@vuldb.com"},{"url":"https://vuldb.com/?ctiid.240364","tags":["Permissions Required","Third Party Advisory","VDB Entry"],"source":"cna@vuldb.com"},{"url":"https://vuldb.com/?id.240364","tags":["Permissions Required","Third Party Advisory","VDB Entry"],"source":"cna@vuldb.com"},{"url":"https://github.com/Push3AX/vul/blob/main/viessmann/Vitogate300_HardcodedPassword.md","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://vuldb.com/?ctiid.240364","tags":["Permissions Required","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://vuldb.com/?id.240364","tags":["Permissions Required","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-5222","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}