{"cve":"CVE-2019-18931","nvd":{"published":"2019-11-13T16:15:11.517","modified":"2026-06-17T02:25:35.850","status":"Modified","description":"Western Digital My Cloud EX2 Ultra firmware 2.31.195 allows a Buffer Overflow with Extended Instruction Pointer (EIP) control via crafted GET/POST parameters.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-120"],"references":["https://github.com/DelspoN/CVE/blob/master/CVE-2019-18931/description.txt","https://github.com/DelspoN/CVE/tree/master/CVE-2019-18931","https://github.com/DelspoN/CVE/blob/master/CVE-2019-18931/description.txt","https://github.com/DelspoN/CVE/tree/master/CVE-2019-18931"],"products":["western_digital:my_cloud_ex2_ultra_firmware"],"source":"nvd","synced_at":"2026-10-19T20:59:25.448946135+00:00"},"epss":{"cve":"CVE-2019-18931","score":0.02203,"percentile":0.82543,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}