CVE-2019-18930: western_digital my_cloud_ex2_ultra_firmware Out-of-bounds Write
Vulnerability summary
CVE-2019-18930 is a high (CVSS 9.0) Out-of-bounds Write vulnerability in western_digital my_cloud_ex2_ultra_firmware. EPSS estimates a 3.21% chance of exploitation in the next 30 days, higher than 88% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 13-11-2019PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
3.21%
Chance of exploitation in the next 30 days
Percentile
88%
Versus all other CVEs
30-day change
0.00 pp
From 3.21% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundCve
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Western_digital1 product
- my_cloud_ex2_ultra_firmware2.31.183
1 vendor · 1 product
References
2 links- github.com/DelspoN/CVE/blob/master/CVE-2019-18930/description.txtX Refsource MISCThird Party Advisory