CRITICAL

CVE-2020-27159

CVSS v3

9.8

CRITICAL

EPSS Score

6.2 %

exploit probability, as of 2026-10-19

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2020-27159 yet.

Full record on NVD

Description

Addressed remote code execution vulnerability in DsdkProxy.php due to insufficient sanitization and insufficient validation of user input in Western Digital My Cloud NAS devices prior to 5.04.114

Technical details

Published: 2020-10-27

Frequently asked questions

What is CVE-2020-27159?

Addressed remote code execution vulnerability in DsdkProxy.php due to insufficient sanitization and insufficient validation of user input in Western Digital My Cloud NAS devices prior to 5.04.114

Is CVE-2020-27159 actively exploited?

Active exploitation of CVE-2020-27159 has not been confirmed. Its EPSS score was 6.2% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-27159?

CVE-2020-27159 has a CVSS v3 base score of 9.8 (CRITICAL severity).

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