Improper Authentication in Western Digital My Cloud, My Cloud Home, My Cloud Home Duo and SanDisk ibi devices
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2022-36331 |
| CWE-ID | CWE-287 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software |
My Cloud PR2100 Hardware solutions / Other hardware appliances My Cloud PR4100 Hardware solutions / Other hardware appliances My Cloud EX4100 Hardware solutions / Other hardware appliances My Cloud EX2 Ultra Hardware solutions / Other hardware appliances My Cloud Mirror G2 Hardware solutions / Other hardware appliances My Cloud DL4100 Hardware solutions / Other hardware appliances My Cloud EX2100 Hardware solutions / Other hardware appliances WD Cloud Hardware solutions / Other hardware appliances My Cloud Hardware solutions / Office equipment, IP-phones, print servers My Cloud Home Client/Desktop applications / Other client software My Cloud Home Duo Client/Desktop applications / Other client software SanDisk ibi Client/Desktop applications / Other client software |
| Vendor | Western Digital |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Improper Authentication
EUVDB-ID: #VU77147
Risk: Medium
CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2022-36331
CWE-ID:
CWE-287 - Improper Authentication
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to improper authentication within the way the device connects with cloud services. A remote attacker can bypass authentication process and gain access to user data.
MitigationInstall updates from vendor's website.
Vulnerable software versionsMy Cloud PR2100: before 5.25.132
My Cloud PR4100: before 5.25.132
My Cloud EX4100: before 5.25.132
My Cloud EX2 Ultra: before 5.25.132
My Cloud Mirror G2: before 5.25.132
My Cloud DL4100: before 5.25.132
My Cloud EX2100: before 5.25.132
My Cloud: before 5.25.132
WD Cloud: before 5.25.132
My Cloud Home: before 8.13.1-102
My Cloud Home Duo: before 8.13.1-102
SanDisk ibi: before 8.13.1-102
CPE2.3- cpe:2.3:h:western_digital:my_cloud_pr2100:*:*:*:*:*:*:*:*
- cpe:2.3:h:western_digital:my_cloud_pr4100:*:*:*:*:*:*:*:*
- cpe:2.3:h:western_digital:my_cloud_ex4100:*:*:*:*:*:*:*:*
- cpe:2.3:h:western_digital:my_cloud_ex2_ultra:*:*:*:*:*:*:*:*
- cpe:2.3:h:western_digital:my_cloud_mirror_g2:*:*:*:*:*:*:*:*
- cpe:2.3:h:western_digital:my_cloud_dl4100:*:*:*:*:*:*:*:*
- cpe:2.3:h:western_digital:my_cloud_ex2100:*:*:*:*:*:*:*:*
- cpe:2.3:h:western_digital:my_cloud:*:*:*:*:*:*:*:*
- cpe:2.3:h:western_digital:wd_cloud:*:*:*:*:*:*:*:*
- cpe:2.3:a:western_digital:my_cloud_home:*:*:*:*:*:*:*:*
- cpe:2.3:a:western_digital:my_cloud_home_duo:*:*:*:*:*:*:*:*
- cpe:2.3:a:western_digital:sandisk_ibi:*:*:*:*:*:*:*:*
https://www.zerodayinitiative.com/advisories/ZDI-23-847/
https://www.westerndigital.com/support/product-security/wdc-22020-my-cloud-os-5-my-cloud-home-ibi-firmware-update
https://www.zerodayinitiative.com/advisories/ZDI-23-846/
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
