Vulnerability in Westerndigital My Cloud
CVE-2019-9950
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.023 (82.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 82.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.023 · newest: 0.023 · change: 0.000
Affected products
- Westerndigital My Cloud
- Westerndigital My Cloud Dl2100
- Westerndigital My Cloud Dl2100 Firmware
- Westerndigital My Cloud Dl4100
- Westerndigital My Cloud Dl4100 Firmware
- Westerndigital My Cloud Ex2100
- Westerndigital My Cloud Ex2100 Firmware
- Westerndigital My Cloud Ex2 Ultra
- Westerndigital My Cloud Ex2 Ultra Firmware
- Westerndigital My Cloud Ex4100
Weakness classification (CWE)
Public proof-of-concept exploits
References
Frequently asked questions
- What is CVE-2019-9950?
- CVE-2019-9950 is a critical-severity vulnerability in Westerndigital My Cloud, classified under Weak Password Requirements. CVSS score: 9.8/10. Published 2019-04-24.
- How severe is CVE-2019-9950?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2019-9950 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.