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Published: 13/11/2019 Updated: 15/11/2019

CVSS v2 Base Score: 9 | Impact Score: 10 | Exploitability Score: 8

CVSS v3 Base Score: 8.8 | Impact Score: 5.9 | Exploitability Score: 2.8

VMScore: 801

Vector: AV:N/AC:L/Au:S/C:C/I:C/A:C

Western Digital My Cloud EX2 Ultra firmware 2.31.183 allows web users (including guest account) to remotely execute arbitrary code via a stack-based buffer overflow. There is no size verification logic in one of functions in libscheddl.so, and download_mgr.cgi makes it possible to enter large-sized f_idx inputs.

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western_digital my_cloud_ex2_ultra_firmware 2.31.183

CWE-787 https://github.com/DelspoN/CVE/tree/master/CVE-2019-18930 https://github.com/DelspoN/CVE/blob/master/CVE-2019-18930/description.txt https://nvd.nist.gov

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CVE-2019-18930

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