{"cve":"CVE-2017-5539","nvd":{"published":"2017-01-23T07:59:00.500","modified":"2026-06-17T01:20:42.497","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","score":9.1},"cwes":["CWE-22"],"references":["http://b2evolution.net/downloads/6-8-5","http://www.securityfocus.com/bid/95700","https://github.com/b2evolution/b2evolution/commit/e35f7c195d8c1103d2d981a48cda5ab45ecac48a","https://github.com/b2evolution/b2evolution/issues/36","http://b2evolution.net/downloads/6-8-5"],"products":["b2evolution:b2evolution"],"source":"nvd","synced_at":"2026-10-19T20:41:25.729257544+00:00"},"epss":{"cve":"CVE-2017-5539","score":0.04255,"percentile":0.91061,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}