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Article Number: 000184667

DSA-2021-071: Dell Hybrid Client Security Update for Multiple Vulnerabilities

Summary: Dell Hybrid Client 1.5 contains remediation for multiple security vulnerabilities that may be exploited by malicious users to compromise the affected system.

Article Content

Impact

High

Details

Proprietary Code CVE(s) Description CVSS Base Score CVSS Vector String
CVE-2021-21534 Dell Hybrid Client versions prior to 1.5 contain an information exposure vulnerability. A local unauthenticated attacker may exploit this vulnerability in order to gain access to sensitive information via the local API. 4.0 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CVE-2021-21535 Dell Hybrid Client versions prior to 1.5 contain a missing authentication for a critical function vulnerability. A local unauthenticated attacker may exploit this vulnerability in order to gain root level access to the system.
 		 7.4 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVE-2021-21536 Dell Hybrid Client versions prior to 1.5 contain an information exposure vulnerability. A local unauthenticated attacker may exploit this vulnerability in order to register the client to a server in order to view sensitive information. 6.2 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVE-2021-21537 Dell Hybrid Client versions prior to 1.5 contain an information exposure vulnerability. A local unauthenticated attacker may exploit this vulnerability in order to view and exfiltrate sensitive information on the system. 6.2 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Proprietary Code CVE(s) Description CVSS Base Score CVSS Vector String
CVE-2021-21534 Dell Hybrid Client versions prior to 1.5 contain an information exposure vulnerability. A local unauthenticated attacker may exploit this vulnerability in order to gain access to sensitive information via the local API. 4.0 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CVE-2021-21535 Dell Hybrid Client versions prior to 1.5 contain a missing authentication for a critical function vulnerability. A local unauthenticated attacker may exploit this vulnerability in order to gain root level access to the system.
 		 7.4 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVE-2021-21536 Dell Hybrid Client versions prior to 1.5 contain an information exposure vulnerability. A local unauthenticated attacker may exploit this vulnerability in order to register the client to a server in order to view sensitive information. 6.2 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVE-2021-21537 Dell Hybrid Client versions prior to 1.5 contain an information exposure vulnerability. A local unauthenticated attacker may exploit this vulnerability in order to view and exfiltrate sensitive information on the system. 6.2 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Dell Technologies recommends all customers consider both the CVSS base score and any relevant temporal and environmental scores that may impact the potential severity associated with a particular security vulnerability.

Affected Products and Remediation

Product Affected Version(s) Updated Version(s) Link to Update  
Dell Hybrid Client Versions prior to 1.5 1.5 Dell Hybrid Client 1.5  
 
 
Product Affected Version(s) Updated Version(s) Link to Update  
Dell Hybrid Client Versions prior to 1.5 1.5 Dell Hybrid Client 1.5  
 
 

Revision History

RevisionDateDescription
1.02021-04-20Initial Release

Related Information

Dell Security Advisories and Notices
Dell Vulnerability Response Policy
CVSS Scoring Guide

Legal Information

Article Properties

Affected Product

Dell Hybrid Client

Product

Product Security Information

Last Published Date

20 Apr 2021

Article Type

Dell Security Advisory

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