CVE-2020-1840

Information disclosure and service disruption via privileged command

Published Jan 21, 2020 · Updated Aug 4, 2024

Insufficient authentication in Huawei Mate 20 before 10.0.0.175(C00E70R3P8) allows local users to leak data and disrupt service. Huawei has not disclosed the command, affected component, or authentication check that accepts the command. Exploitation requires tricking a user into installing a malicious high-privilege application, after which the command can expose information and compromise phone availability.

CVSS severity6.5
Medium
EPSS probability0.22%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Insufficient authentication in Huawei Mate 20 before 10.0.0.175(C00E70R3P8) allows local users to leak data and disrupt service. Huawei has not disclosed the command, affected component, or authentication check that accepts the command. Exploitation requires tricking a user into installing a malicious high-privilege application, after which the command can expose information and compromise phone availability.

The record

CVE
CVE-2020-1840
Published
Jan 21, 2020
Updated
Aug 4, 2024
Vendor
MindSpore
Product
Huawei Mate 20
Classifications
CWE-287, T1204.002
Attack vector
local
Privileges
admin

Timeline

How it unfolded

  1. Jan 21, 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

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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=Versions earlier than 10.0.0.175(C00E70R3P8)

What conditions does exploitation require?

Attack vectorlocal
Required privilegesadmin

What is affected?

MindSpore · Huawei Mate 20version=Versions earlier than 10.0.0.175(C00E70R3P8)

Published CVSS scores

6.5HuaweiCVSS:3.0/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
6.0NIST NVDCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H
6.0HuaweiCVSS:3.0/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C
3.6NIST NVDAV:L/AC:L/Au:N/C:P/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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-287Improper Authentication
T1204.002Malicious File

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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