CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.2	$0-$5k	0.00

A vulnerability was found in 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 (Cloud Software). It has been rated as critical. This issue affects some unknown functionality of the file web/jquery/uploader/uploadify.php of the component File Upload. The manipulation with an unknown input leads to a unrestricted upload vulnerability. Using CWE to declare the problem leads to CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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.

The bug was discovered 03/27/2019. The weakness was published 04/24/2019 (Website). The advisory is shared at community.wd.com. The identification of this vulnerability is CVE-2019-9951 since 03/23/2019. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1608.002 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 28 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:web/jquery/uploader/uploadify.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 2.31.174 eliminates this vulnerability.

Similar entry is available at 134044.

Productinfo

Type

• Cloud Software

Vendor

• Western Digital

Name

• My Cloud
• My Cloud DL2100
• My Cloud DL4100
• My Cloud EX2 Ultra
• My Cloud EX2100
• My Cloud EX4100
• My Cloud Mirror Gen2
• My Cloud PR2100
• My Cloud PR4100

License

• commercial

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Unrestricted upload
CWE: CWE-434 / CWE-284 / CWE-266
ATT&CK: T1608.002

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: 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/My Cloud PR4100 2.31.174

Timelineinfo

03/23/2019 🔍
03/27/2019 +4 days 🔍
04/24/2019 +28 days 🔍
04/25/2019 +1 days 🔍
06/02/2020 +404 days 🔍

Sourcesinfo

Advisory: community.wd.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2019-9951 (🔍)
See also: 🔍

Entryinfo

Created: 04/25/2019 09:06
Updated: 06/02/2020 09:29
Changes: 04/25/2019 09:06 (59), 06/02/2020 09:29 (2)
Complete: 🔍

Discussion

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