CVE-2022-29796Network attack vector

AI service interruption via unvalidated model weights

Published May 13, 2022 · Updated Aug 3, 2024

Model-weight validation in HiAIserver on HarmonyOS 2.0 and EMUI 12.0.0 allows remote attackers to interrupt AI services. HiAIserver accepts a model weight without strict validity checking, causing AI-service exceptions when the invalid weight is processed. Exploitation is network-reachable and unauthenticated, and the reported consequence is limited to service interruption without confidentiality or integrity impact.

CVSS severity7.5
High
EPSS probability0.66%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Model-weight validation in HiAIserver on HarmonyOS 2.0 and EMUI 12.0.0 allows remote attackers to interrupt AI services. HiAIserver accepts a model weight without strict validity checking, causing AI-service exceptions when the invalid weight is processed. Exploitation is network-reachable and unauthenticated, and the reported consequence is limited to service interruption without confidentiality or integrity impact.

The record

CVE
CVE-2022-29796
Published
May 13, 2022
Updated
Aug 3, 2024
Vendor
Huawei Technologies Co., Ltd.
Product
HarmonyOS
Classifications
T1642
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 13, 2022CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 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=2.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Huawei Technologies Co., Ltd. · HarmonyOSversion=2.0
MindSpore · EMUIversion=12.0.0

Published CVSS scores

7.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
5.0NIST NVDAV:N/AC:L/Au:N/C:N/I:N/A:P

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.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1642Endpoint Denial of Service

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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