Vulnerability Name:

CVE-2019-9951 (CCN-160101)

Assigned:2019-03-27
Published:2019-03-27
Updated:2019-05-28
Summary:Western Digital My Cloud, My Cloud Mirror Gen2, My Cloud EX2 Ultra, My Cloud EX2100, My Cloud EX4100, My Cloud DL2100, My Cloud DL4100, My Cloud PR2100 and My Cloud PR4100 firmware before 2.31.174 is affected by an unauthenticated file upload vulnerability. The page web/jquery/uploader/uploadify.php can be accessed without any credentials, and allows uploading arbitrary files to any location on the attached storage.
CVSS v3 Severity:9.8 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.5 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/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): Network
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
9.8 Critical (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.5 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/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): Network
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
CVSS v2 Severity:7.5 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
10.0 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-434
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2019-9951

Source: MISC
Type: UNKNOWN
https://bnbdr.github.io/posts/wd/

Source: CCN
Type: WD Community Web site
New Release - My Cloud Firmware Versions 2.31.174

Source: CONFIRM
Type: Release Notes, Third Party Advisory
https://community.wd.com/t/new-release-my-cloud-firmware-versions-2-31-174-3-26-19/235932

Source: XF
Type: UNKNOWN
wd-cve20199951-file-upload(160101)

Source: MISC
Type: UNKNOWN
https://github.com/bnbdr/wd-rce/

Source: CONFIRM
Type: Third Party Advisory
https://support.wdc.com/downloads.aspx?g=2702&lang=en

Vulnerable Configuration:Configuration 1:
  • cpe:/o:western_digital:my_cloud_mirror_gen_2_firmware:*:*:*:*:*:*:*:* (Version < 2.31.174)
  • AND
  • cpe:/h:western_digital:my_cloud_mirror_gen_2:-:*:*:*:*:*:*:*

    • Configuration 2:
  • cpe:/o:western_digital:my_cloud_ex2_ultra_firmware:*:*:*:*:*:*:*:* (Version < 2.31.174)
  • AND
  • cpe:/h:western_digital:my_cloud_ex2_ultra:-:*:*:*:*:*:*:*

    • Configuration 3:
  • cpe:/o:western_digital:my_cloud_ex2100_firmware:*:*:*:*:*:*:*:* (Version < 2.31.174)
  • AND
  • cpe:/h:western_digital:my_cloud_ex2100:-:*:*:*:*:*:*:*

    • Configuration 4:
  • cpe:/o:western_digital:my_cloud_ex4100:*:*:*:*:*:*:*:* (Version < 2.31.174)
  • AND
  • cpe:/h:western_digital:my_cloud_ex4100:-:*:*:*:*:*:*:*

    • Configuration 5:
  • cpe:/o:western_digital:my_cloud_dl2100:*:*:*:*:*:*:*:* (Version < 2.31.174)
  • AND
  • cpe:/h:western_digital:my_cloud_dl2100:-:*:*:*:*:*:*:*

    • Configuration 6:
  • cpe:/o:western_digital:my_cloud_dl4100_firmware:*:*:*:*:*:*:*:* (Version < 2.31.174)
  • AND
  • cpe:/h:western_digital:my_cloud_dl4100:-:*:*:*:*:*:*:*

    • Configuration 7:
  • cpe:/o:western_digital:my_cloud_pr2100_firmware:*:*:*:*:*:*:*:* (Version < 2.31.174)
  • AND
  • cpe:/h:western_digital:my_cloud_pr2100:-:*:*:*:*:*:*:*

    • Configuration 8:
  • cpe:/o:western_digital:my_cloud_pr4100:*:*:*:*:*:*:*:* (Version < 2.31.174)
  • AND
  • cpe:/h:western_digital:my_cloud_pr4100:-:*:*:*:*:*:*:*

    • Configuration 9:
  • cpe:/o:western_digital:my_cloud_firmware:*:*:*:*:*:*:*:* (Version < 2.31.174)
  • AND
  • cpe:/h:western_digital:my_cloud:-:*:*:*:*:*:*:*

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

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