{"id":"CVE-2017-5539","details":"The patch for directory traversal (CVE-2017-5480) in b2evolution version 6.8.4-stable has a bypass vulnerability. An attacker can use ..\\/ to bypass the filter rule. Then, this attacker can exploit this vulnerability to delete or read any files on the server. It can also be used to determine whether a file exists.","modified":"2026-04-10T04:01:41.235831Z","published":"2017-01-23T07:59:00.500Z","references":[{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/95700"},{"type":"FIX","url":"http://b2evolution.net/downloads/6-8-5"},{"type":"FIX","url":"https://github.com/b2evolution/b2evolution/commit/e35f7c195d8c1103d2d981a48cda5ab45ecac48a"},{"type":"FIX","url":"https://github.com/b2evolution/b2evolution/issues/36"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/b2evolution/b2evolution","events":[{"introduced":"0"},{"last_affected":"551702a31751ac1f98ea89e1ef62794294f6f3a2"},{"fixed":"e35f7c195d8c1103d2d981a48cda5ab45ecac48a"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"6.8.4"}]}}],"versions":["6.0.0-alpha","6.0.0-alpha.1","6.1.2-alpha","6.4.2-beta","6.4.3-beta","6.4.4-beta","6.5.0","6.6.0","6.6.1","6.6.4","6.6.5","6.6.6","6.6.7","6.6.8","6.7.5","6.7.6","6.7.7","6.8.3","6.8.4","v5.2.0-stable"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-5539.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"}]}