// For flags

CVE-2022-22993

Limited Server-Side Request Forgery vulnerability on Western Digital My Cloud devices.

Severity Score

8.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

A limited SSRF vulnerability was discovered on Western Digital My Cloud devices that could allow an attacker to impersonate a server and reach any page on the server by bypassing access controls. The vulnerability was addressed by creating a whitelist for valid parameters.

Se ha detectado una vulnerabilidad de tipo SSRF limitada en los dispositivos My Cloud de Western Digital que podía permitir a un atacante hacerse pasar por un servidor y llegar a cualquier página del mismo omitiendo los controles de acceso. La vulnerabilidad fue abordada al crear una lista blanca de parámetros válidos

This vulnerability allows network-adjacent attackers to escalate privileges on affected installations of Western Digital MyCloud PR4100. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed.
The specific flaw exists within the cgi_api endpoint. The issue results from the lack of proper validation of URIs prior to accessing resources. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of root.

*Credits: Reported By: Sam Thomas (@_s_n_t) of Pentest Ltd (@pentestltd) working with Trend Micro’s Zero Day Initiative
CVSS Scores
Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Local
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
None
Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Adjacent
Attack Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2022-01-10 CVE Reserved
  • 2022-01-28 CVE Published
  • 2024-08-03 CVE Updated
  • 2024-09-03 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-918: Server-Side Request Forgery (SSRF)
CAPEC
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
Search vendor "Westerndigital" for product "My Cloud Os"
< 5.19.117
Search vendor "Westerndigital" for product "My Cloud Os" and version " < 5.19.117"
-
Affected
in Westerndigital
Search vendor "Westerndigital"
My Cloud
Search vendor "Westerndigital" for product "My Cloud"
--
Safe
Westerndigital
Search vendor "Westerndigital"
My Cloud Os
Search vendor "Westerndigital" for product "My Cloud Os"
< 5.19.117
Search vendor "Westerndigital" for product "My Cloud Os" and version " < 5.19.117"
-
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
Search vendor "Westerndigital" for product "My Cloud Os"
< 5.19.117
Search vendor "Westerndigital" for product "My Cloud Os" and version " < 5.19.117"
-
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
Search vendor "Westerndigital" for product "My Cloud Os"
< 5.19.117
Search vendor "Westerndigital" for product "My Cloud Os" and version " < 5.19.117"
-
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
Search vendor "Westerndigital" for product "My Cloud Os"
< 5.19.117
Search vendor "Westerndigital" for product "My Cloud Os" and version " < 5.19.117"
-
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
Search vendor "Westerndigital" for product "My Cloud Os"
< 5.19.117
Search vendor "Westerndigital" for product "My Cloud Os" and version " < 5.19.117"
-
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
Search vendor "Westerndigital" for product "My Cloud Os"
< 5.19.117
Search vendor "Westerndigital" for product "My Cloud Os" and version " < 5.19.117"
-
Affected
in Westerndigital
Search vendor "Westerndigital"
My Cloud Mirror Gen 2
Search vendor "Westerndigital" for product "My Cloud Mirror Gen 2"
--
Safe
Westerndigital
Search vendor "Westerndigital"
My Cloud Os
Search vendor "Westerndigital" for product "My Cloud Os"
< 5.19.117
Search vendor "Westerndigital" for product "My Cloud Os" and version " < 5.19.117"
-
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
Search vendor "Westerndigital" for product "My Cloud Os"
< 5.19.117
Search vendor "Westerndigital" for product "My Cloud Os" and version " < 5.19.117"
-
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
Search vendor "Westerndigital" for product "My Cloud Os"
< 5.19.117
Search vendor "Westerndigital" for product "My Cloud Os" and version " < 5.19.117"
-
Affected
in Westerndigital
Search vendor "Westerndigital"
Wd Cloud
Search vendor "Westerndigital" for product "Wd Cloud"
--
Safe