{"id":"CVE-2018-20718","aliases":["EUVD-2018-13263","GHSA-qhmw-m62m-p9xh"],"status":"published","title":"In Pydio before 8.2.2, an attack is possible via PHP Object Injection because a user is allowed...","description":"In Pydio before 8.2.2, an attack is possible via PHP Object Injection because a user is allowed to use the $phpserial$a:0:{} syntax to store a preference. An attacker either needs a \"public link\" of a file, or access to any unprivileged user account for creation of such a link.","severity":{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.03726,"percentile":0.89876,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-502"],"published":"2019-01-15T16:00:00Z","modified":"2026-10-24T10:31:05Z","exploits":[{"source":"pocgithub","id":"us3r777/CVE-2018-20718","title":"us3r777/CVE-2018-20718","date":"2019-07-10","url":"https://github.com/us3r777/CVE-2018-20718"}],"products":[{"vendor":"pydio","product":"pydio"}],"references":[{"url":"https://blog.ripstech.com/2018/pydio-unauthenticated-remote-code-execution/","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-20718"},{"url":"https://github.com/advisories/GHSA-qhmw-m62m-p9xh"}],"sources":{"cve":[{"id":"CVE-2018-20718","description":"In Pydio before 8.2.2, an attack is possible via PHP Object Injection because a user is allowed to use the $phpserial$a:0:{} syntax to store a preference. An attacker either needs a \"public link\" of a file, or access to any unprivileged user account for creation of such a link.","status":"published","published":"2019-01-15T16:00:00Z","modified":"2024-08-05T12:12:28.298Z","updated_at":"2026-11-02T14:35:00.237825Z"}],"euvd":[{"id":"EUVD-2018-13263","description":"In Pydio before 8.2.2, an attack is possible via PHP Object Injection because a user is allowed to use the $phpserial$a:0:{} syntax to store a preference. An attacker either needs a \"public link\" of a file, or access to any unprivileged user account for creation of such a link.","status":"published","published":"2019-01-15T16:00:00Z","modified":"2024-08-05T12:12:28Z","updated_at":"2026-11-03T02:39:29.769885Z"}],"ghsa":[{"id":"GHSA-qhmw-m62m-p9xh","title":"In Pydio before 8.2.2, an attack is possible via PHP Object Injection because a user is allowed...","description":"In Pydio before 8.2.2, an attack is possible via PHP Object Injection because a user is allowed to use the $phpserial$a:0:{} syntax to store a preference. An attacker either needs a \"public link\" of a file, or access to any unprivileged user account for creation of such a link.","status":"published","published":"2022-05-13T01:19:56Z","modified":"2023-02-01T05:05:58Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:50:17.937177Z"}],"nvd":[{"id":"CVE-2018-20718","description":"In Pydio before 8.2.2, an attack is possible via PHP Object Injection because a user is allowed to use the $phpserial$a:0:{} syntax to store a preference. An attacker either needs a \"public link\" of a file, or access to any unprivileged user account for creation of such a link.","status":"published","published":"2019-01-15T16:29:00.663Z","modified":"2026-06-17T01:53:20.803Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:04:53.079938Z"}],"osv":[{"id":"CVE-2018-20718","description":"In Pydio before 8.2.2, an attack is possible via PHP Object Injection because a user is allowed to use the $phpserial$a:0:{} syntax to store a preference. An attacker either needs a \"public link\" of a file, or access to any unprivileged user account for creation of such a link.","status":"published","published":"2019-01-15T16:29:00.663Z","modified":"2026-10-24T10:31:05.645603307Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:09.145458Z"}]}}