Vulnerability Name:

CVE-2019-18931 (CCN-171449)

Assigned:2019-11-13
Published:2019-11-13
Updated:2019-11-15
Summary:Western Digital My Cloud EX2 Ultra firmware 2.31.195 allows a Buffer Overflow with Extended Instruction Pointer (EIP) control via crafted GET/POST parameters.
CVSS v3 Severity:8.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
7.7 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
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)
8.6 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:U/RC:R)
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:9.0 High (CVSS v2 Vector: AV:N/AC:L/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
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-120
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2019-18931

Source: XF
Type: UNKNOWN
wd-cve201918931-bo(171449)

Source: MISC
Type: Third Party Advisory
https://github.com/DelspoN/CVE/blob/master/CVE-2019-18931/description.txt

Source: CCN
Type: GitHub Web site
CVE-2019-18931

Source: MISC
Type: Exploit, Third Party Advisory
https://github.com/DelspoN/CVE/tree/master/CVE-2019-18931

Source: CCN
Type: Western Digital Web site
Western Digital My Cloud EX2 Ultra

Vulnerable Configuration:Configuration 1:
  • cpe:/o:western_digital:my_cloud_ex2_ultra_firmware:2.31.195:*:*:*:*:*:*:*
  • AND
  • cpe:/h:western_digital:my_cloud_ex2_ultra:-:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    western_digital my cloud ex2 ultra firmware 2.31.195
    western_digital my cloud ex2 ultra -