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.

CVSS v3.1

8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0

9.0 HIGHAV:N/AC:L/Au:S/C:C/I:C/A:C

EPSS

3.21% chance of exploitation in the next 30 days, 87th percentile

Published

2019-11-13

Updated

2024-08-05

Proof-of-concept exploits (1)

• DelspoN/CVE/tree/master/CVE-2019-18930

References

• CVE Record
• NVD entry

Related

• CVE-2018-18695
• CVE-2019-18929
• CVE-2019-18931
• CVE-2024-57376
• CVE-2019-18922
• CVE-2019-18935