Western Digital My Cloud OS prior 5.10.122 SMB/AFP symlink

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Western Digital My Cloud OS. It has been rated as critical. This vulnerability affects unknown code of the component SMB/AFP. This manipulation causes symlink. This vulnerability is handled as CVE-2021-3310. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in Western Digital My Cloud OS (Cloud Software) and classified as critical. Affected by this vulnerability is an unknown function of the component SMB/AFP. The manipulation with an unknown input leads to a symlink vulnerability. The CWE definition for the vulnerability is CWE-61. The product, when opening a file or directory, does not sufficiently account for when the file is a symbolic link that resolves to a target outside of the intended control sphere. This could allow an attacker to cause the product to operate on unauthorized files. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was released 03/10/2021. It is possible to read the advisory at westerndigital.com. This vulnerability is known as CVE-2021-3310. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 5.10.122 eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.6
VulDB Meta Temp Score: 6.5

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Symlink
CWE: CWE-61 / CWE-59
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: My Cloud OS 5.10.122

Timelineinfo

01/26/2021 🔍
03/10/2021 +43 days 🔍
03/10/2021 +0 days 🔍
03/30/2021 +20 days 🔍

Sourcesinfo

Advisory: westerndigital.com
Status: Confirmed

CVE: CVE-2021-3310 (🔍)
GCVE (CVE): GCVE-0-2021-3310
GCVE (VulDB): GCVE-100-171031

Entryinfo

Created: 03/10/2021 13:08
Updated: 03/30/2021 18:59
Changes: 03/10/2021 13:08 (38), 03/30/2021 18:54 (5), 03/30/2021 18:59 (18)
Complete: 🔍
Cache ID: 216::103

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