CVE-2020-28971: (Pwn2Own) Western Digital MyCloud PR4100 nasAdmin Authentication Bypass Vulnerability
First published: Tue Dec 01 2020(Updated: )
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, because of insufficient validation of URI paths.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Western Digital MyCloud PR4100 | ||
| Westerndigital My Cloud Os 5 | <5.06.115 | |
| Westerndigital My Cloud Ex2 Ultra | ||
| Westerndigital My Cloud Ex4100 | ||
| Westerndigital My Cloud Mirror Gen 2 | ||
| Westerndigital My Cloud Pr2100 | ||
| Westerndigital My Cloud Pr4100 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
Frequently Asked Questions
What is CVE-2020-28971?
CVE-2020-28971 is a vulnerability that allows network-adjacent attackers to bypass authentication on affected installations of Western Digital MyCloud PR4100.
How severe is CVE-2020-28971?
CVE-2020-28971 has a severity rating of 9.8, indicating a critical vulnerability.
What software versions are affected by CVE-2020-28971?
The affected software version is Western Digital MyCloud OS 5 up to version 5.06.115.
How can the authentication bypass be exploited?
The existing authentication mechanism can be bypassed.
Is there a fix available for CVE-2020-28971?
Yes, Western Digital has released firmware version 5.06.115 to address the vulnerability.
- agent/type
- collector/nvd-index
- agent/software-canonical-lookup
- collector/mitre-cve
- source/MITRE
- agent/references
- agent/author
- agent/remedy
- agent/last-modified-date
- agent/title
- agent/severity
- agent/weakness
- agent/softwarecombine
- agent/tags
- agent/description
- agent/first-publish-date
- agent/event
- collector/zdi-advisory
- source/ZDI
- alias/ZDI-20-1447
- alias/ZDI-CAN-12327
- alias/CVE-2020-28971
- vendor/westerndigital
- canonical/westerndigital my cloud os 5
- canonical/westerndigital my cloud ex2 ultra
- canonical/westerndigital my cloud ex4100
- canonical/westerndigital my cloud mirror gen 2
- canonical/westerndigital my cloud pr2100
- canonical/westerndigital my cloud pr4100
- vendor/western digital
- canonical/western digital mycloud pr4100