What is the CVSS score of CVE-2021-47662?

CVE-2021-47662 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.4%.

How to fix or mitigate CVE-2021-47662?

Within 7 days: Identify all affected systems and apply vendor patches promptly. Monitor vendor channels for patch availability.

CVE-2021-47662

HIGH

Missing Authorization (CWE-862)

2025-04-24 info@cert.vde.com

Authentication Bypass

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:38 vuln.today

CVE Published

Apr 24, 2025 - 10:15 nvd

HIGH 7.5

DescriptionCVE.org

Due to missing authorization an unauthenticated remote attacker can cause a DoS attack by connecting via HTTPS and triggering the shutdown button.

AnalysisAI

Due to missing authorization an unauthenticated remote attacker can cause a DoS attack by connecting via HTTPS and triggering the shutdown button. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Missing Authorization (CWE-862), which allows attackers to access resources or perform actions without proper authorization checks. Due to missing authorization an unauthenticated remote attacker can cause a DoS attack by connecting via HTTPS and triggering the shutdown button.

Affected ProductsAI

See vendor advisory for affected versions.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement role-based access control, validate authorization on every request server-side, apply principle of least privilege.