What’s Vulnerable › Vulnerabilities
CVE-2021-21588
- Severity: medium (CVSS 4.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2021-07-12 · updated 2026-06-17
- Weakness: CWE-345
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.
Affected products
- Dell Powerflex Presentation Server: from 3.5 before 3.6 — fixed in 3.6
How to fix
Upgrade to a fixed version: Dell Powerflex Presentation Server 3.6. Check the vendor advisory for mitigations.
References
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