CVE-2022-36326
Resource Exhaustion Vulnerability in Western Digital devices
Severity Score
4.9
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
An uncontrolled resource consumption vulnerability issue that could arise by sending crafted requests to a service to consume a large amount of memory, eventually resulting in the service being stopped and restarted was discovered in Western Digital My Cloud Home, My Cloud Home Duo, SanDisk ibi and Western Digital My Cloud OS 5 devices. This issue requires the attacker to already have root privileges in order to exploit this vulnerability.This issue affects My Cloud Home and My Cloud Home Duo: before 9.4.0-191; ibi: before 9.4.0-191; My Cloud OS 5: before 5.26.202.
This vulnerability allows network-adjacent attackers to create a denial-of-service condition on affected installations of Western Digital MyCloud PR4100 NAS devices. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the RESTSDK server. The issue results from uncontrolled resource consumption. An attacker can leverage this vulnerability to create a denial-of-service condition on the device.
*Credits:
Sam Thomas (@_s_n_t) of Pentest Ltd (@pentestltd) working with Trend Micro’s Zero Day Initiative
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2022-07-20 CVE Reserved
- 2023-05-18 CVE Published
- 2024-05-24 EPSS Updated
- 2024-08-03 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-400: Uncontrolled Resource Consumption
CAPEC
References (2)
| URL | Tag | Source |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Westerndigital Search vendor "Westerndigital" | My Cloud Os 5 Search vendor "Westerndigital" for product "My Cloud Os 5" | < 5.26.202 Search vendor "Westerndigital" for product "My Cloud Os 5" and version " < 5.26.202" | - |
Affected
| in | Westerndigital Search vendor "Westerndigital" | My Cloud Search vendor "Westerndigital" for product "My Cloud" | - | - |
Safe
|
| Westerndigital Search vendor "Westerndigital" | My Cloud Os 5 Search vendor "Westerndigital" for product "My Cloud Os 5" | < 5.26.202 Search vendor "Westerndigital" for product "My Cloud Os 5" and version " < 5.26.202" | - |
Affected
| in | Westerndigital Search vendor "Westerndigital" | My Cloud Dl2100 Search vendor "Westerndigital" for product "My Cloud Dl2100" | - | - |
Safe
|
| Westerndigital Search vendor "Westerndigital" | My Cloud Os 5 Search vendor "Westerndigital" for product "My Cloud Os 5" | < 5.26.202 Search vendor "Westerndigital" for product "My Cloud Os 5" and version " < 5.26.202" | - |
Affected
| in | Westerndigital Search vendor "Westerndigital" | My Cloud Dl4100 Search vendor "Westerndigital" for product "My Cloud Dl4100" | - | - |
Safe
|
| Westerndigital Search vendor "Westerndigital" | My Cloud Os 5 Search vendor "Westerndigital" for product "My Cloud Os 5" | < 5.26.202 Search vendor "Westerndigital" for product "My Cloud Os 5" and version " < 5.26.202" | - |
Affected
| in | Westerndigital Search vendor "Westerndigital" | My Cloud Ex2 Ultra Search vendor "Westerndigital" for product "My Cloud Ex2 Ultra" | - | - |
Safe
|
| Westerndigital Search vendor "Westerndigital" | My Cloud Os 5 Search vendor "Westerndigital" for product "My Cloud Os 5" | < 5.26.202 Search vendor "Westerndigital" for product "My Cloud Os 5" and version " < 5.26.202" | - |
Affected
| in | Westerndigital Search vendor "Westerndigital" | My Cloud Ex2100 Search vendor "Westerndigital" for product "My Cloud Ex2100" | - | - |
Safe
|
| Westerndigital Search vendor "Westerndigital" | My Cloud Os 5 Search vendor "Westerndigital" for product "My Cloud Os 5" | < 5.26.202 Search vendor "Westerndigital" for product "My Cloud Os 5" and version " < 5.26.202" | - |
Affected
| in | Westerndigital Search vendor "Westerndigital" | My Cloud Ex4100 Search vendor "Westerndigital" for product "My Cloud Ex4100" | - | - |
Safe
|
| Westerndigital Search vendor "Westerndigital" | My Cloud Os 5 Search vendor "Westerndigital" for product "My Cloud Os 5" | < 5.26.202 Search vendor "Westerndigital" for product "My Cloud Os 5" and version " < 5.26.202" | - |
Affected
| in | Westerndigital Search vendor "Westerndigital" | My Cloud Mirror G2 Search vendor "Westerndigital" for product "My Cloud Mirror G2" | - | - |
Safe
|
| Westerndigital Search vendor "Westerndigital" | My Cloud Os 5 Search vendor "Westerndigital" for product "My Cloud Os 5" | < 5.26.202 Search vendor "Westerndigital" for product "My Cloud Os 5" and version " < 5.26.202" | - |
Affected
| in | Westerndigital Search vendor "Westerndigital" | My Cloud Pr2100 Search vendor "Westerndigital" for product "My Cloud Pr2100" | - | - |
Safe
|
| Westerndigital Search vendor "Westerndigital" | My Cloud Os 5 Search vendor "Westerndigital" for product "My Cloud Os 5" | < 5.26.202 Search vendor "Westerndigital" for product "My Cloud Os 5" and version " < 5.26.202" | - |
Affected
| in | Westerndigital Search vendor "Westerndigital" | My Cloud Pr4100 Search vendor "Westerndigital" for product "My Cloud Pr4100" | - | - |
Safe
|
| Westerndigital Search vendor "Westerndigital" | My Cloud Os 5 Search vendor "Westerndigital" for product "My Cloud Os 5" | < 5.26.202 Search vendor "Westerndigital" for product "My Cloud Os 5" and version " < 5.26.202" | - |
Affected
| in | Westerndigital Search vendor "Westerndigital" | Wd Cloud Search vendor "Westerndigital" for product "Wd Cloud" | - | - |
Safe
|
| Westerndigital Search vendor "Westerndigital" | My Cloud Home Firmware Search vendor "Westerndigital" for product "My Cloud Home Firmware" | < 9.4.0-191 Search vendor "Westerndigital" for product "My Cloud Home Firmware" and version " < 9.4.0-191" | - |
Affected
| in | Westerndigital Search vendor "Westerndigital" | My Cloud Home Search vendor "Westerndigital" for product "My Cloud Home" | - | - |
Safe
|
| Westerndigital Search vendor "Westerndigital" | Sandisk Ibi Firmware Search vendor "Westerndigital" for product "Sandisk Ibi Firmware" | < 9.4.0-191 Search vendor "Westerndigital" for product "Sandisk Ibi Firmware" and version " < 9.4.0-191" | - |
Affected
| in | Westerndigital Search vendor "Westerndigital" | Sandisk Ibi Search vendor "Westerndigital" for product "Sandisk Ibi" | - | - |
Safe
|
| Westerndigital Search vendor "Westerndigital" | My Cloud Home Duo Firmware Search vendor "Westerndigital" for product "My Cloud Home Duo Firmware" | < 9.4.0-191 Search vendor "Westerndigital" for product "My Cloud Home Duo Firmware" and version " < 9.4.0-191" | - |
Affected
| in | Westerndigital Search vendor "Westerndigital" | My Cloud Home Duo Search vendor "Westerndigital" for product "My Cloud Home Duo" | - | - |
Safe
|