CVE-2021-37056Network attack vector

Unauthenticated device-information disclosure

Published Dec 7, 2021 · Updated Aug 4, 2024

Improper permission control in Huawei EMUI 9.1.0, 9.1.1, 10.0.0, and 10.1.0 allows attackers to obtain device information via unspecified vectors. Huawei has not published the affected component or the incorrect permission-check operation that exposes the information. No authentication or user interaction is required, and the reported consequence is limited to disclosure of device information.

CVSS severity5.3
Medium
EPSS probability0.51%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper permission control in Huawei EMUI 9.1.0, 9.1.1, 10.0.0, and 10.1.0 allows attackers to obtain device information via unspecified vectors. Huawei has not published the affected component or the incorrect permission-check operation that exposes the information. No authentication or user interaction is required, and the reported consequence is limited to disclosure of device information.

The record

CVE
CVE-2021-37056
Published
Dec 7, 2021
Updated
Aug 4, 2024
Vendor
MindSpore
Product
EMUI
Classifications
CWE-281
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Dec 7, 2021CVE publishedPublication date reported by the CVE source.
  2. Aug 4, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=10.0.0
  2. Affected versionversion=10.1.0
  3. Affected versionversion=9.1.0
  4. Affected versionversion=9.1.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

MindSpore · EMUIversion=10.0.0; version=10.1.0; version=9.1.0; version=9.1.1

Published CVSS scores

5.0NISTAV:N/AC:L/Au:N/C:P/I:N/A:N
5.3NISTCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-281Improper Preservation of Permissions

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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