CVE-2020-1834

Crafted software loading via insufficient integrity checks

Published Jun 18, 2020 · Updated Aug 4, 2024

Insufficient integrity checks in Huawei P30 and P30 Pro before specified 10.1.0.135 builds allow attackers to load crafted packages. Huawei has not disclosed the affected component or validation routine; certain software packages receive inadequate integrity verification. Exploitation requires physical possession of the phone and permits loading a crafted package, with no reported confidentiality or availability impact.

CVSS severity4.6
Medium
EPSS probability0.14%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Insufficient integrity checks in Huawei P30 and P30 Pro before specified 10.1.0.135 builds allow attackers to load crafted packages. Huawei has not disclosed the affected component or validation routine; certain software packages receive inadequate integrity verification. Exploitation requires physical possession of the phone and permits loading a crafted package, with no reported confidentiality or availability impact.

The record

CVE
CVE-2020-1834
Published
Jun 18, 2020
Updated
Aug 4, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-354
Attack vector
physical
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 18, 2020CVE 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

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectorphysical
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

4.6HuaweiCVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
4.6NIST NVDCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
2.1NIST NVDAV:L/AC:L/Au:N/C:N/I:P/A:N
4.3HuaweiCVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:F/RL:O/RC:C

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)
Vectorphysical
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-354Improper Validation of Integrity Check Value

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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