---
cve: "CVE-2021-21538"
severity: "CRITICAL"
cvss: 9.6
epss: "1.7%"
vendor: "Dell"
kev: false
exploited: false
published: "2021-07-29 16:15:08"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-09-08T21:35:55+02:00"
---

# CVE-2021-21538

> 9.6 CRITICAL

## Beschreibung

Dell EMC iDRAC9 versions 4.40.00.00 and later, but prior to 4.40.10.00, contain an improper authentication vulnerability. A remote unauthenticated attacker could potentially exploit this vulnerability to gain access to the virtual console.

## CVSS-Vektor

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

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Keine | bad |
| UI Interaktion | Erforderlich | good |
| S Scope | Verändert | bad |
| C Vertraulichkeit | Hoch | bad |
| I Integrität | Hoch | bad |
| A Verfügbarkeit | Gering | warn |

## Referenzen

- <https://www.dell.com/support/kbdoc/000186420>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2021-21538) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_