Cyber Resilience

CVE-2021-21731

High

Published: 13 April 2021

Published
13 April 2021
Modified
28 January 2025
KEV Added
Patch
CVSS Score v3.1 8.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H
EPSS Score 0.0010 27.5th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-21731 is a high-severity CSRF (CWE-352) vulnerability in Zte Zxcloud Irai. Its CVSS base score is 8.1 (High).

Operationally, ranked at the 27.5th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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…

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affected device to delete the data. This affects: ZXCLOUD iRAI All versions up to KVM-ProductV6.03.04

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

zte
zxcloud irai
≤ 6.03.04

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-352

Awareness training educates users on avoiding untrusted links and actions that can be exploited via CSRF.

addresses: CWE-352

Requiring user re-entry of credentials for sensitive actions prevents automated forgery of requests without active user participation.

addresses: CWE-352

Security testing regimens explicitly include checks for missing or ineffective anti-CSRF protections in web applications.

addresses: CWE-352

Detects anomalous request patterns consistent with cross-site request forgery.

References