{"cve":"CVE-2015-2851","nvd":{"published":"2015-05-30T19:59:03.880","modified":"2026-06-17T00:24:52.003","status":"Modified","description":"client_chown in the sync client in Synology Cloud Station 1.1-2291 through 3.1-3320 on OS X allows local users to change the ownership of arbitrary files, and consequently obtain root access, by specifying a filename.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-264"],"references":["http://www.kb.cert.org/vuls/id/551972","http://www.kb.cert.org/vuls/id/BLUU-9VBU45","http://www.securityfocus.com/bid/74826","http://www.kb.cert.org/vuls/id/551972","http://www.kb.cert.org/vuls/id/BLUU-9VBU45"],"products":["synology:cloud_station"],"source":"nvd","synced_at":"2026-10-19T20:36:40.444340523+00:00"},"epss":{"cve":"CVE-2015-2851","score":0.0075,"percentile":0.5499,"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."]}