CVE-2021-36225
HIGHCVSS 8.8/10EPSS 1.05%
Last modified
CVE-2021-36225 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Western Digital My Cloud devices before OS5 allow REST API access by low-privileged accounts, as demonstrated by API commands for firmware uploads and installation.. EPSS estimates a 1.05% chance of exploitation in the next 30 days.
Description
Western Digital My Cloud devices before OS5 allow REST API access by low-privileged accounts, as demonstrated by API commands for firmware uploads and installation.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Westerndigital | My Cloud Os | < 5.02.104 |
References
- https://github.com/pedrib/PoC/blob/master/advisories/Pwn2Own/Tokyo_2020/weekend_destroyer/weekend_destroyer.mdExploit, Patch, Third Party Advisory
- https://krebsonsecurity.com/2021/07/another-0-day-looms-for-many-western-digital-users/Exploit, Patch, Third Party Advisory
- https://www.youtube.com/watch?v=vsg9YgvGBecExploit, Patch, Third Party Advisory
- https://github.com/pedrib/PoC/blob/master/advisories/Pwn2Own/Tokyo_2020/weekend_destroyer/weekend_destroyer.mdExploit, Patch, Third Party Advisory
- https://krebsonsecurity.com/2021/07/another-0-day-looms-for-many-western-digital-users/Exploit, Patch, Third Party Advisory
- https://www.youtube.com/watch?v=vsg9YgvGBecExploit, Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-36225?
Western Digital My Cloud devices before OS5 allow REST API access by low-privileged accounts, as demonstrated by API commands for firmware uploads and installation.
How severe is CVE-2021-36225?
CVE-2021-36225 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.05% probability of exploitation in the next 30 days.
How do I fix CVE-2021-36225?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2021-36225?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST