{"id":"CVE-2015-2851","aliases":["EUVD-2015-2939","GHSA-32rj-qg36-98x6"],"status":"published","title":"client_chown in the sync client in Synology Cloud Station 1.1-2291 through 3.1-3320 on OS X...","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.","severity":{"version":"2.0","score":6.8,"vector":"AV:L/AC:L/Au:S/C:C/I:C/A:C","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.0075,"percentile":0.55237,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-264"],"published":"2015-05-30T19:00:00Z","modified":"2026-06-17T00:24:52Z","products":[{"vendor":"synology","product":"cloud_station"}],"references":[{"url":"http://www.securityfocus.com/bid/74826","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://www.kb.cert.org/vuls/id/BLUU-9VBU45","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"http://www.kb.cert.org/vuls/id/551972","tags":["third-party-advisory","x_refsource_CERT-VN","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2015-2851"},{"url":"https://github.com/advisories/GHSA-32rj-qg36-98x6"}],"sources":{"cve":[{"id":"CVE-2015-2851","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.","status":"published","published":"2015-05-30T19:00:00Z","modified":"2024-08-06T05:24:38.98Z","updated_at":"2026-11-02T14:35:41.976732Z"}],"euvd":[{"id":"EUVD-2015-2939","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.","status":"published","published":"2015-05-30T19:00:00Z","modified":"2024-08-06T05:24:38Z","updated_at":"2026-11-03T02:22:10.564423Z"}],"ghsa":[{"id":"GHSA-32rj-qg36-98x6","title":"client_chown in the sync client in Synology Cloud Station 1.1-2291 through 3.1-3320 on OS X...","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.","status":"published","published":"2022-05-17T03:33:41Z","modified":"2023-01-27T05:08:34Z","updated_at":"2026-11-02T14:43:18.939561Z"}],"nvd":[{"id":"CVE-2015-2851","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.","status":"published","published":"2015-05-30T19:59:03.88Z","modified":"2026-06-17T00:24:52.003Z","cvss":[{"version":"2.0","score":6.8,"vector":"AV:L/AC:L/Au:S/C:C/I:C/A:C","level":"medium","assessor":"primary"}],"cwes":["CWE-264"],"updated_at":"2026-11-02T14:03:04.906059Z"}]}}