How severe is CVE-2020-12427?

CVE-2020-12427 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-12427 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-12427?

CVE-2020-12427 affects Westerndigital Wd Discovery. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-12427?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-12427 published?

CVE-2020-12427 was published on 2020-05-13 and last updated on 2026-06-17.

CVE-2020-12427

CVE-2020-12427 is a high-severity vulnerability in Westerndigital Wd Discovery with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-352.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 0% (36th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Westerndigital Wd Discovery
Published: 2020-05-13
Last modified: 2026-06-17

Description

The Western Digital WD Discovery application before 3.8.229 for MyCloud Home on Windows and macOS is vulnerable to CSRF, with impacts such as stealing data, modifying disk contents, or exhausting disk space.

Frequently asked questions

What is CVE-2020-12427?: The Western Digital WD Discovery application before 3.8.229 for MyCloud Home on Windows and macOS is vulnerable to CSRF, with impacts such as stealing data, modifying disk contents, or exhausting disk space.
How severe is CVE-2020-12427?: CVE-2020-12427 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-12427 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-12427?: CVE-2020-12427 affects Westerndigital Wd Discovery. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-12427?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-12427 published?: CVE-2020-12427 was published on 2020-05-13 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:westerndigital:wd_discovery:*:*:*:*:*:my_cloud_home:*:*

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