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TI-2021-04669 Aliases CVE-2021-21588GHSA-592w-856w-97c3

Insufficient verification of data authenticity in Dell PowerFlex

Priority LOW 29CWE-345Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-345.

Summary

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.

Why it matters now

EPSS 0.00336 27th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
DellPowerFlex3.5.x—No fix listedCNA
  • PowerFlex VendorDell Affected 3.5.x Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:dell:powerflex_presentation_server:*:*:*:*:*:*:*:*3.5 to before 3.6VulnerableDell
  • cpe:2.3:a:dell:powerflex_presentation_server:*:*:*:*:*:*:*:* Versions 3.5 to before 3.6 Vulnerable ·Dell

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-21588
  2. 2026-10-03 Alias added: GHSA-592w-856w-97c3

References

Advisory 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences