VDB-165483 · CVE-2020-28940 · GCVE-0-2020-28940

Western Digital My Cloud OS prior 5.06.115 NAS Admin Dashboard improper authentication

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.
6.7	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in Western Digital My Cloud OS and classified as critical. Affected is an unknown function of the component NAS Admin Dashboard. Performing a manipulation results in improper authentication. This vulnerability was named CVE-2020-28940. The attack may be carried out on the physical device. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as critical has been found in Western Digital My Cloud OS (Cloud Software). This affects an unknown part of the component NAS Admin Dashboard. The manipulation with an unknown input leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was presented 12/01/2020. It is possible to read the advisory at westerndigital.com. This vulnerability is uniquely identified as CVE-2020-28940. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 5.06.115 eliminates this vulnerability.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Cloud Software

Vendor

Western Digital

Name

My Cloud OS

License

commercial

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.1
VulDB Meta Temp Score: 6.9

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
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: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: Yes
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

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 OS 5.06.115

Timelineinfo

11/19/2020 🔍
12/01/2020 +12 days 🔍
12/01/2020 +0 days 🔍
12/11/2020 +10 days 🔍

Sourcesinfo

Advisory: westerndigital.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2020-28940 (🔍)
GCVE (CVE): GCVE-0-2020-28940
GCVE (VulDB): GCVE-100-165483

Entryinfo

Created: 12/01/2020 21:10
Updated: 12/11/2020 19:18
Changes: 12/01/2020 21:10 (38), 12/11/2020 19:16 (6), 12/11/2020 19:18 (18)
Complete: 🔍
Cache ID: 216::103