{"id":"CVE-2018-9148","aliases":["EUVD-2018-20747","GHSA-hrr3-c733-fj52"],"status":"published","title":"Western Digital WD My Cloud v04.05.00-320 devices embed the session token (aka PHPSESSID) in...","description":"Western Digital WD My Cloud v04.05.00-320 devices embed the session token (aka PHPSESSID) in filenames, which makes it easier for attackers to bypass authentication by listing a directory. NOTE: this can be exploited in conjunction with CVE-2018-7171 for remote authentication bypass within a product that uses My Cloud.","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":"2026-11-08","score":0.03613,"percentile":0.89569,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-287"],"published":"2018-03-30T19:00:00Z","modified":"2026-06-17T02:06:09Z","products":[{"vendor":"westerndigital","product":"my_cloud_firmware"}],"references":[{"url":"https://exploit-db.com/exploits/44350/","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-9148"},{"url":"https://github.com/advisories/GHSA-hrr3-c733-fj52"}],"sources":{"cve":[{"id":"CVE-2018-9148","description":"Western Digital WD My Cloud v04.05.00-320 devices embed the session token (aka PHPSESSID) in filenames, which makes it easier for attackers to bypass authentication by listing a directory. NOTE: this can be exploited in conjunction with CVE-2018-7171 for remote authentication bypass within a product that uses My Cloud.","status":"published","published":"2018-03-30T19:00:00Z","modified":"2024-08-05T07:17:51.193Z","updated_at":"2026-11-02T14:35:02.603326Z"}],"euvd":[{"id":"EUVD-2018-20747","description":"Western Digital WD My Cloud v04.05.00-320 devices embed the session token (aka PHPSESSID) in filenames, which makes it easier for attackers to bypass authentication by listing a directory. NOTE: this can be exploited in conjunction with CVE-2018-7171 for remote authentication bypass within a product that uses My Cloud.","status":"published","published":"2018-03-30T19:00:00Z","modified":"2024-08-05T07:17:51Z","updated_at":"2026-11-03T02:40:00.889185Z"}],"ghsa":[{"id":"GHSA-hrr3-c733-fj52","title":"Western Digital WD My Cloud v04.05.00-320 devices embed the session token (aka PHPSESSID) in...","description":"Western Digital WD My Cloud v04.05.00-320 devices embed the session token (aka PHPSESSID) in filenames, which makes it easier for attackers to bypass authentication by listing a directory. NOTE: this can be exploited in conjunction with CVE-2018-7171 for remote authentication bypass within a product that uses My Cloud.","status":"published","published":"2022-05-14T01:00:18Z","modified":"2023-02-02T05:03:00Z","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-287"],"updated_at":"2026-11-02T14:51:32.869646Z"}],"nvd":[{"id":"CVE-2018-9148","description":"Western Digital WD My Cloud v04.05.00-320 devices embed the session token (aka PHPSESSID) in filenames, which makes it easier for attackers to bypass authentication by listing a directory. NOTE: this can be exploited in conjunction with CVE-2018-7171 for remote authentication bypass within a product that uses My Cloud.","status":"published","published":"2018-03-30T19:29:00.397Z","modified":"2026-06-17T02:06:09.653Z","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":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:04:24.700429Z"}]}}