{"cve":"CVE-2019-9950","nvd":{"published":"2019-04-24T18:29:01.793","modified":"2026-06-17T02:44:55.150","status":"Modified","description":"Western Digital My Cloud, My Cloud Mirror Gen2, My Cloud EX2 Ultra, My Cloud EX2100, My Cloud EX4100, My Cloud DL2100, My Cloud DL4100, My Cloud PR2100 and My Cloud PR4100 firmware before 2.31.174 is affected by an authentication bypass vulnerability. The login_mgr.cgi file checks credentials against /etc/shadow. However, the \"nobody\" account (which can be used to access the control panel API as a low-privilege logged-in user) has a default empty password, allowing an attacker to modify the My Cloud EX2 Ultra web page source code and obtain access to the My Cloud as a non-Admin My Cloud device user.","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:H","score":9.8},"cwes":["CWE-521"],"references":["https://bnbdr.github.io/posts/wd/","https://community.wd.com/t/new-release-my-cloud-firmware-versions-2-31-174-3-26-19/235932","https://github.com/bnbdr/wd-rce/","https://support.wdc.com/downloads.aspx?g=2702&lang=en","https://bnbdr.github.io/posts/wd/"],"products":["westerndigital:my_cloud_dl2100_firmware","westerndigital:my_cloud_dl4100_firmware","westerndigital:my_cloud_ex2100_firmware","westerndigital:my_cloud_ex2_ultra_firmware","westerndigital:my_cloud_ex4100_firmware","westerndigital:my_cloud_firmware","westerndigital:my_cloud_mirror_gen2_firmware","westerndigital:my_cloud_pr2100_firmware","westerndigital:my_cloud_pr4100_firmware"],"source":"nvd","synced_at":"2026-10-19T20:56:19.218283075+00:00"},"epss":{"cve":"CVE-2019-9950","score":0.02304,"percentile":0.83336,"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."]}