CVE-2020-9148

SMS deletion via telephony authorization bypass

Published Apr 1, 2021 · Updated Aug 4, 2024

Application authorization bypass in Huawei EMUI and Magic UI allows local users to delete SMS messages stored in PrivateSpace. The telephony application interface bypasses the restriction that prevents ordinary applications from writing SMS data, permitting direct deletion. A locally installed low-privilege application can erase PrivateSpace messages, with no reported read access or broader modification.

CVSS severity5.5
Medium
EPSS probability0.16%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Application authorization bypass in Huawei EMUI and Magic UI allows local users to delete SMS messages stored in PrivateSpace. The telephony application interface bypasses the restriction that prevents ordinary applications from writing SMS data, permitting direct deletion. A locally installed low-privilege application can erase PrivateSpace messages, with no reported read access or broader modification.

The record

CVE
CVE-2020-9148
Published
Apr 1, 2021
Updated
Aug 4, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
Unavailable
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Apr 1, 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?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

2.1NISTAV:L/AC:L/Au:N/C:N/I:P/A:N
5.5NISTCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/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.

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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)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

No sourced classifications are available.

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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