Buffer overflow in Western Digital My Cloud Ex2 Ultra
CVE-2019-18929
Western Digital My Cloud EX2 Ultra firmware 2.31.183 allows web users (including guest accounts) to remotely execute arbitrary code via a download_mgr.cgi stack-based buffer overflow.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.029 (86.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 86.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.029 · newest: 0.029 · change: 0.000
Affected products
- Western Digital My Cloud Ex2 Ultra
- Western Digital My Cloud Ex2 Ultra Firmware — versions 2.31.195
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/DelspoN/CVE/blob/master/CVE-2019-18929/description.txt (Third Party Advisory)
- github.com/DelspoN/CVE/tree/master/CVE-2019-18929 (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-18929?
- CVE-2019-18929 is a high-severity vulnerability in Western Digital My Cloud Ex2 Ultra, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2019-11-13.
- How severe is CVE-2019-18929?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2019-18929 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.