CVE-2019-18930

high

Description

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.

References

https://github.com/DelspoN/CVE/tree/master/CVE-2019-18930

https://github.com/DelspoN/CVE/blob/master/CVE-2019-18930/description.txt

Details

Source: Mitre, NVD

Published: 2019-11-13

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 9

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8.8

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.01