Vulnerability Name:

CVE-2022-22993 (CCN-218425)

Assigned:2022-01-10
Published:2022-01-10
Updated:2022-03-18
Summary: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.
CVSS v3 Severity:8.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
7.7 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
7.8 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N)
6.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): None
CVSS v2 Severity:8.3 High (CVSS v2 Vector: AV:A/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Adjacent_Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
5.6 Medium (CCN CVSS v2 Vector: AV:L/AC:H/Au:N/C:C/I:C/A:N)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): High
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): None
Vulnerability Type:CWE-918
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2022-22993

Source: XF
Type: UNKNOWN
westerndigital-cve202222993-ssrf(218425)

Source: CCN
Type: WDC Tracking Number: WDC-22002
My Cloud OS 5 Firmware 5.19.117

Source: MISC
Type: Vendor Advisory
https://www.westerndigital.com/support/product-security/wdc-22002-my-cloud-os5-firmware-5-19-117

Source: CCN
Type: ZDI-22-348
(Pwn2Own) Western Digital MyCloud PR4100 cgi_api Server-Side Request Forgery Privilege Escalation Vulnerability

Source: MISC
Type: Third Party Advisory, VDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-22-348/

Vulnerable Configuration:Configuration 1:
  • cpe:/o:westerndigital:my_cloud_os:*:*:*:*:*:*:*:* (Version < 5.19.117)
  • AND
  • cpe:/h:westerndigital:my_cloud:-:*:*:*:-:*:*:*
  • OR cpe:/h:westerndigital:my_cloud_dl2100:-:*:*:*:*:*:*:*
  • OR cpe:/h:westerndigital:my_cloud_dl4100:-:*:*:*:*:*:*:*
  • OR cpe:/h:westerndigital:my_cloud_ex2100:-:*:*:*:*:*:*:*
  • OR cpe:/h:westerndigital:my_cloud_ex2_ultra:-:*:*:*:*:*:*:*
  • OR cpe:/h:westerndigital:my_cloud_ex4100:-:*:*:*:*:*:*:*
  • OR cpe:/h:westerndigital:my_cloud_mirror_gen_2:-:*:*:*:*:*:*:*
  • OR cpe:/h:westerndigital:my_cloud_pr2100:-:*:*:*:*:*:*:*
  • OR cpe:/h:westerndigital:my_cloud_pr4100:-:*:*:*:*:*:*:*
  • OR cpe:/h:westerndigital:wd_cloud:-:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/h:western_digital:my_cloud:-:*:*:*:*:*:*:*
  • OR cpe:/h:western_digital:my_cloud_pr2100:-:*:*:*:*:*:*:*
  • OR cpe:/h:western_digital:my_cloud_pr4100:-:*:*:*:*:*:*:*
  • OR cpe:/h:western_digital:my_cloud_ex4100:-:*:*:*:*:*:*:*
  • OR cpe:/h:western_digital:my_cloud_ex2_ultra:-:*:*:*:*:*:*:*
  • OR cpe:/h:western_digital:my_cloud_mirror_gen_2:-:*:*:*:*:*:*:*
  • OR cpe:/h:western_digital:my_cloud_dl2100:-:*:*:*:*:*:*:*
  • OR cpe:/h:western_digital:my_cloud_dl4100:-:*:*:*:*:*:*:*
  • OR cpe:/h:western_digital:my_cloud_ex2100:-:*:*:*:*:*:*:*
  • OR cpe:/h:westerndigital:wd_cloud:-:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    westerndigital my cloud os *
    westerndigital my cloud -
    westerndigital my cloud dl2100 -
    westerndigital my cloud dl4100 -
    westerndigital my cloud ex2100 -
    westerndigital my cloud ex2 ultra -
    westerndigital my cloud ex4100 -
    westerndigital my cloud mirror gen 2 -
    westerndigital my cloud pr2100 -
    westerndigital my cloud pr4100 -
    westerndigital wd cloud -
    western_digital my cloud -
    western_digital my cloud pr2100 -
    western_digital my cloud pr4100 -
    western_digital my cloud ex4100 -
    western_digital my cloud ex2 ultra -
    western_digital my cloud mirror gen 2 -
    western_digital my cloud dl2100 -
    western_digital my cloud dl4100 -
    western_digital my cloud ex2100 -
    westerndigital wd cloud -