CVE-2021-21505

critical

Description

Dell EMC Integrated System for Microsoft Azure Stack Hub, versions 1906 – 2011, contain an undocumented default iDRAC account. A remote unauthenticated attacker, with the knowledge of the default credentials, could potentially exploit this to log in to the system to gain root privileges.

References

https://www.dell.com/support/kbdoc/en-us/000186008/dsa-2021-020-dell-emc-integrated-system-for-microsoft-azure-stack-hub-security-update-for-an-idrac-undocumented-account-vulnerability

Details

Source: Mitre, NVD

Published: 2021-05-06

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 9.8

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

Severity: Critical

EPSS

EPSS: 0.05751