Is CVE-2021-21731 actively exploited?

CVE-2021-21731 has no public evidence of in-the-wild exploitation as of 2025-01-28.

What is the CVSS score for CVE-2021-21731?

CVE-2021-21731 has a CVSS score of 8.1 (HIGH severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H.

How do I patch CVE-2021-21731?

Patch guidance is available from zte security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2021-21731.

Fix CVE-2021-21731 - HIGH zte zxcloud irai

Description

A CSRF vulnerability exists in the management page of a ZTE product.The vulnerability is caused because the management page does not fully verify whether the request comes from a trusted user. The attacker could submit a malicious request to the affected device to delete the data. This affects: ZXCLOUD iRAI All versions up to KVM-ProductV6.03.04

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: required
Scope: unchanged
Confidentiality: none
Integrity: high
Availability: high
Weaknesses: CWE-352 · Cross-Site Request Forgery

Metadata

Primary Vendor: ZTE
Published: 4/13/2021
Last Modified: 1/28/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2021-21731

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary