CVE-2020-28970

Description

An issue was discovered on Western Digital My Cloud OS 5 devices before 5.06.115. A NAS Admin authentication bypass vulnerability could allow an unauthenticated user to execute privileged commands on the device via a cookie. (In addition, an upload endpoint could then be used by an authenticated administrator to upload executable PHP scripts.)

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 3.62% Top 15%
Vendor Advisory wdc.com Vendor Advisory westerndigital.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://support.wdc.com/downloads.aspx?g=907&lang=en#downloads patch vendor advisory
https://www.westerndigital.com/support/productsecurity/wdc-20009-os5-firmware-5-06-115 vendor advisory
https://www.zerodayinitiative.com/advisories/ZDI-20-1448/ vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2020-28970?
CVE-2020-28970 has been scored as a critical severity vulnerability.
How to fix CVE-2020-28970?
To fix CVE-2020-28970, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-28970 being actively exploited in the wild?
It is possible that CVE-2020-28970 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~4% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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