Skip to main content
  • Place orders quickly and easily
  • View orders and track your shipping status
  • Enjoy members-only rewards and discounts
  • Create and access a list of your products
  • Manage your Dell EMC sites, products, and product-level contacts using Company Administration.

Article Number: 000189265


DSA-2021-138: Dell PowerFlex Security Update for a Cross-Site WebSocket Hijacking in WebUI/Presentation Server Vulnerability

Summary: Dell PowerFlex remediation is available for the Presentation Server that could be exploited by malicious users to compromise the affected system.

Article Content


Impact

Medium

Details

Proprietary Code CVE(s) Description CVSS Base Score CVSS Vector String
CVE-2021-21588 Dell PowerFlex versions 3.5.x contain a Cross-Site WebSocket Hijacking Vulnerability in the Presentation Server/WebUI. An unauthenticated attacker may potentially exploit this vulnerability by tricking the user into performing unwanted actions on the Presentation Server which may lead to configuration changes. 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Proprietary Code CVE(s) Description CVSS Base Score CVSS Vector String
CVE-2021-21588 Dell PowerFlex versions 3.5.x contain a Cross-Site WebSocket Hijacking Vulnerability in the Presentation Server/WebUI. An unauthenticated attacker may potentially exploit this vulnerability by tricking the user into performing unwanted actions on the Presentation Server which may lead to configuration changes. 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

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 Versions Updated Version Link to Update
PowerFlex Presentation Server
 
 3.5.x 3.6 https://dl.dell.com/downloads/DL104415_PowerFlex-3.6-Build-355-Complete-Software-Download.zip
Product Affected Versions Updated Version Link to Update
PowerFlex Presentation Server
 
 3.5.x 3.6 https://dl.dell.com/downloads/DL104415_PowerFlex-3.6-Build-355-Complete-Software-Download.zip
Revision History

RevisionDateDescription
1.02021-07-01Initial Release

Related Information

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


The information in this Dell Technologies Security Advisory should be read and used to assist in avoiding situations that may arise from the problems described herein. Dell Technologies distributes Security Advisories to bring important security information to the attention of users of the affected product(s). Dell Technologies assesses the risk based on an average of risks across a diverse set of installed systems and may not represent the actual risk to your local installation and individual environment. It is recommended that all users determine the applicability of this information to their individual environments and take appropriate actions. The information set forth herein is provided "as is" without warranty of any kind. Dell Technologies expressly disclaims all warranties, either express or implied, including the warranties of merchantability, fitness for a particular purpose, title and non-infringement. In no event shall Dell Technologies, its affiliates or suppliers, be liable for any damages whatsoever arising from or related to the information contained herein or actions that you decide to take based thereon, including any direct, indirect, incidental, consequential, loss of business profits or special damages, even if Dell Technologies, its affiliates or suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages, so the foregoing limitation shall apply to the extent permissible under law.

Article Properties


Affected Product

Product Security Information

Last Published Date

01 Jul 2021

Version

1

Article Type

Dell Security Advisory