CVE-2021-21588 | BDVDB-2026-156646 Detail

DellPowerFlex

Description#

Dell EMC PowerFlex, v3.5.x contain a Cross-Site WebSocket Hijacking Vulnerability in the Presentation Server/WebUI. An unauthenticated attacker could potentially exploit this vulnerability by tricking the user into performing unwanted actions on the Presentation Server and perform which may lead to configuration changes.

Impact#

Per CVSS v3.1: confidentiality impact none, integrity impact none, availability impact high. Attack vector: network.

Weaknesses#

CWE-345 Insufficient Verification of Data Authenticity

References#

https://www.dell.com/support/kbdoc/000189265

Exploit#

No public exploit known

History#

Version 12021-07-12Record published in the CVE List.
Version 22024-09-17Most recent update recorded in the CVE List.

Published

Published: 2021-07-12
Last modified: 2024-09-17

Vendor information

Vendor: Dell
Product: PowerFlex

All Dell vulnerabilities

Score

6.5 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 27.2.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
3.5.x
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

6.5 Medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	None
User Interaction	Required
Scope	Unchanged
Confidentiality	None
Integrity	None
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).