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CVE-2022-36331

22
FAUCET Score

CVE-2022-36331 is an impersonation vulnerability affecting Western Digital My Cloud, My Cloud Home, My Cloud Home Duo, and SanDisk ibi devices, allowing unauthenticated attackers to access user data. With a CVSS score of 7.5 (HIGH), this vulnerability has a network attack vector and low attack complexity, leading to high confidentiality impact without requiring user interaction. There is no known active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 5.25.132CPE matchmatch criteria
cpe:2.3:o:westerndigital:my_cloud_pr2100_firmware:*:*:*:*:*:*:*:*
< 5.25.132CPE matchmatch criteria
cpe:2.3:o:westerndigital:my_cloud_pr4100_firmware:*:*:*:*:*:*:*:*
< 5.25.132CPE matchmatch criteria
cpe:2.3:o:westerndigital:my_cloud_ex4100_firmware:*:*:*:*:*:*:*:*
< 5.25.132CPE matchmatch criteria
cpe:2.3:o:westerndigital:my_cloud_ex2_ultra_firmware:*:*:*:*:*:*:*:*
< 5.25.132CPE matchmatch criteria
cpe:2.3:o:westerndigital:my_cloud_mirror_g2_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

10.0CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
6.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.59%
Probability of exploitation in next 30 days
EPSS Percentile
44.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0059 is in the 22nd percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

westerndigital.com / support/product-security/wdc-22020-my-cloud-os-5-my-cloud-home-ibi-firmware-update
Vendor Advisory
https / /www.westerndigital.com/support/product-security/wdc-22020-my-cloud-os-5-my-cloud-home-ibi-firmware-update
Broken Link