CVE-2019-9951

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-05-24. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 2%CVSS: 9.8Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

Western Digital My Cloud, My Cloud Mirror Gen2, My Cloud EX2 Ultra, My Cloud EX2100, My Cloud EX4100, My Cloud DL2100, My Cloud DL4100, My Cloud PR2100 and My Cloud PR4100 firmware before 2.31.174 is affected by an unauthenticated file upload vulnerability. The page web/jquery/uploader/uploadify.php can be accessed without any credentials, and allows uploading arbitrary files to any location on the attached storage.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
49(Track)
EG Risk 49/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation2% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
74.4%
KEV
Not listed

Published

April 24, 2019

Last Modified

November 21, 2024

Advisory Details (4)

Auto-updated May 27, 2026
No patch confirmed yet.
generic

Software and Firmware Downloads | WD Support

https://support.wdc.com/downloads.aspx?g=2702&lang=en
generic

GitHub - bnbdr/wd-rce: WD My Cloud PoC exploit · GitHub

https://github.com/bnbdr/wd-rce/
generic

New Release - My Cloud Firmware Version 2.31.174 (03/26/2019) - News & Announcements - WD Community

https://community.wd.com/t/new-release-my-cloud-firmware-versions-2-31-174-3-26-19/235932
generic

WD My Cloud RCE

https://bnbdr.github.io/posts/wd/

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 13× in last 7d / 43× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-23 14:15 UTCEPSS rescore
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  66. 2026-05-27 20:11 UTCGHSA enrichment
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Frequently asked(5)

What is CVE-2019-9951?
CVE-2019-9951 is a critical vulnerability published on April 24, 2019. Western Digital My Cloud, My Cloud Mirror Gen2, My Cloud EX2 Ultra, My Cloud EX2100, My Cloud EX4100, My Cloud DL2100, My Cloud DL4100, My Cloud PR2100 and My Cloud PR4100 firmware before 2.31.174 is affected by an unauthenticated file upload vulnerability. The page…
When was CVE-2019-9951 disclosed?
CVE-2019-9951 was first published in the National Vulnerability Database on April 24, 2019, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2019-9951 actively exploited?
CVE-2019-9951 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 74.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2019-9951?
CVE-2019-9951 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2019-9951?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-9951, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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