{"id":"CVE-2022-25226","aliases":["EUVD-2022-29925","GHSA-mvv3-c6h9-hj2q"],"status":"published","title":"ThinVNC version 1.0b1 allows an unauthenticated user to bypass the authentication process via ...","description":"ThinVNC version 1.0b1 allows an unauthenticated user to bypass the authentication process via 'http://thin-vnc:8080/cmd?cmd=connect' by obtaining a valid SID without any kind of authentication. It is possible to achieve code execution on the server by sending keyboard or mouse events to the server.","severity":{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.10989,"percentile":0.95955,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-287"],"published":"2022-04-18T16:20:44Z","modified":"2026-06-17T04:33:14Z","exploits":[{"source":"nuclei","id":"CVE-2022-25226","title":"ThinVNC - Authentication Bypass","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2022/CVE-2022-25226.yaml"},{"source":"pocgithub","id":"krill-x7/CVE-2022-25226","title":"krill-x7/CVE-2022-25226","date":"2025-07-16","url":"https://github.com/krill-x7/CVE-2022-25226"}],"products":[{"vendor":"cybelsoft","product":"thinvnc"}],"references":[{"url":"https://fluidattacks.com/advisories/sinatra/","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-25226"},{"url":"https://github.com/advisories/GHSA-mvv3-c6h9-hj2q"}],"sources":{"cve":[{"id":"CVE-2022-25226","description":"ThinVNC version 1.0b1 allows an unauthenticated user to bypass the authentication process via 'http://thin-vnc:8080/cmd?cmd=connect' by obtaining a valid SID without any kind of authentication. It is possible to achieve code execution on the server by sending keyboard or mouse events to the server.","status":"published","published":"2022-04-18T16:20:44Z","modified":"2024-08-03T04:36:06.608Z","updated_at":"2026-11-02T14:34:28.374916Z"}],"euvd":[{"id":"EUVD-2022-29925","description":"ThinVNC version 1.0b1 allows an unauthenticated user to bypass the authentication process via 'http://thin-vnc:8080/cmd?cmd=connect' by obtaining a valid SID without any kind of authentication. It is possible to achieve code execution on the server by sending keyboard or mouse events to the server.","status":"published","published":"2022-04-18T16:20:44Z","modified":"2024-08-03T04:36:06Z","updated_at":"2026-11-03T03:25:47.443246Z"}],"ghsa":[{"id":"GHSA-mvv3-c6h9-hj2q","title":"ThinVNC version 1.0b1 allows an unauthenticated user to bypass the authentication process via ...","description":"ThinVNC version 1.0b1 allows an unauthenticated user to bypass the authentication process via 'http://thin-vnc:8080/cmd?cmd=connect' by obtaining a valid SID without any kind of authentication. It is possible to achieve code execution on the server by sending keyboard or mouse events to the server.","status":"published","published":"2022-04-19T00:00:49Z","modified":"2023-01-27T05:01:42Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:41:56.851256Z"}],"nvd":[{"id":"CVE-2022-25226","description":"ThinVNC version 1.0b1 allows an unauthenticated user to bypass the authentication process via 'http://thin-vnc:8080/cmd?cmd=connect' by obtaining a valid SID without any kind of authentication. It is possible to achieve code execution on the server by sending keyboard or mouse events to the server.","status":"published","published":"2022-04-18T17:15:16.693Z","modified":"2026-06-17T04:33:14.31Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:07:16.9948Z"}]}}