CVE-2022-37007Network attack vector

Availability impact via chinadrm out-of-bounds read

Published Aug 9, 2022 · Updated Mar 6, 2026

An out-of-bounds read in Huawei HarmonyOS 2.0 and EMUI or Magic UI affected versions allows remote attackers to affect availability via chinadrm. Huawei identifies the chinadrm module as performing an out-of-bounds read, but publishes no function, input format, or patch detail. The published CVSS vector models unauthenticated network access without user interaction and availability-only impact; exploitation status is not reported.

CVSS severity7.5
High
EPSS probability0.57%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

An out-of-bounds read in Huawei HarmonyOS 2.0 and EMUI or Magic UI affected versions allows remote attackers to affect availability via chinadrm. Huawei identifies the chinadrm module as performing an out-of-bounds read, but publishes no function, input format, or patch detail. The published CVSS vector models unauthenticated network access without user interaction and availability-only impact; exploitation status is not reported.

The record

CVE
CVE-2022-37007
Published
Aug 9, 2022
Updated
Mar 6, 2026
Vendor
MindSpore
Product
HarmonyOS
Classifications
CWE-125
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 9, 2022CVE publishedPublication date reported by the CVE source.
  2. Mar 6, 2026Record 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=2.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

MindSpore · HarmonyOSversion=2.0
MindSpore · EMUIversion=11.0.0; version=12.0.0
MindSpore · Magic UIversion=4.0.0

Published CVSS scores

7.5NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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-125Out-of-bounds Read

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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