Vulnerability Details CVE-2019-18930
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.01
EPSS Ranking 76.0%
CVSS Severity
CVSS v3 Score 8.8
CVSS v2 Score 9.0
References
Products affected by CVE-2019-18930
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cpe:2.3:h:western_digital:my_cloud_ex2_ultra:-
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cpe:2.3:o:western_digital:my_cloud_ex2_ultra_firmware:2.31.183