CVE & CISA-KEV Catalog

CVE-2019-9951

CRITICALEPSS 74th pctl

9.8

CVSS v3

Description

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.

CWE-434Unrestricted File Upload

How to fix

Remediation Available

my cloud dl2100NVD

Affected:< 2.31.174Fixed in:2.31.174CVE-2019-9951derived from NVD

my cloud dl4100 firmwareNVD

Affected:< 2.31.174Fixed in:2.31.174CVE-2019-9951derived from NVD

my cloud ex2100 firmwareNVD

Affected:< 2.31.174Fixed in:2.31.174CVE-2019-9951derived from NVD

my cloud ex2 ultra firmwareNVD

Affected:< 2.31.174Fixed in:2.31.174CVE-2019-9951derived from NVD

my cloud ex4100NVD

Affected:< 2.31.174Fixed in:2.31.174CVE-2019-9951derived from NVD

my cloud firmwareNVD

Affected:< 2.31.174Fixed in:2.31.174CVE-2019-9951derived from NVD

my cloud mirror gen 2 firmwareNVD

Affected:< 2.31.174Fixed in:2.31.174CVE-2019-9951derived from NVD

my cloud pr2100 firmwareNVD

Affected:< 2.31.174Fixed in:2.31.174CVE-2019-9951derived from NVD

my cloud pr4100NVD

Affected:< 2.31.174Fixed in:2.31.174CVE-2019-9951derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

1.68%probability of exploitation in 30 days

74thpercentile

Elevated risk: more likely to be exploited than 74% of all known CVEs.

References

Third-Party Advisory2

Other references2

Related Vulnerabilities

Other CWE-434 (Unrestricted File Upload) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2017-12617	High	8.1	100%	KEV	Fix
CVE-2018-15961	Critical	9.8	100%	KEV	-
CVE-2021-31207	Medium	6.6	100%	KEV + Ransom	Fix
CVE-2017-12615	High	8.1	100%	KEV + Ransom	-
CVE-2025-31324	Critical	10.0	99%	KEV + Ransom	-
CVE-2024-50623	Critical	9.8	99%	KEV + Ransom	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.