What is the CVSS score of CVE-2021-21505?

CVE-2021-21505 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 2.4%.

Emc Integrated System For Microsoft Azure Stack Hub Firmware CVE-2021-21505

CRITICAL

Credentials Management Errors (CWE-255)

2021-05-06 security_alert@emc.com

Dell Microsoft Authentication Bypass Emc Integrated System For Microsoft Azure Stack Hub Firmware

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

May 06, 2021 - 13:15 nvd

CRITICAL 9.8

DescriptionNVD

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.

AnalysisAI

Dell EMC Integrated System for Microsoft Azure Stack Hub, versions 1906 - 2011, contain an undocumented default iDRAC account. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-255. 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. Affected products include: Dell Emc Integrated System For Microsoft Azure Stack Hub Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.