CVE-2023-40641

Local information disclosure via missing permission check

Published Oct 8, 2023 · Updated Sep 19, 2024

Information disclosure in UNISOC SC9863A Messaging on Android 11 and Android 12 allows local users to read sensitive data. The Messaging component omits a required permission check before exposing protected information, although UNISOC has not identified the specific request or data. Exploitation requires local access but no additional execution privileges, and the reported consequence is limited to confidentiality loss.

CVSS severity4.0
Medium
EPSS probability0.08%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Information disclosure in UNISOC SC9863A Messaging on Android 11 and Android 12 allows local users to read sensitive data. The Messaging component omits a required permission check before exposing protected information, although UNISOC has not identified the specific request or data. Exploitation requires local access but no additional execution privileges, and the reported consequence is limited to confidentiality loss.

The record

CVE
CVE-2023-40641
Published
Oct 8, 2023
Updated
Sep 19, 2024
Vendor
UNISOC
Product
UNISOC SC9863A
Classifications
CWE-200, T1533
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 8, 2023CVE publishedPublication date reported by the CVE source.
  2. Sep 19, 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=Android11/Android12

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

UNISOC · UNISOC SC9863Aversion=Android11/Android12

Published CVSS scores

4.0UNISOCCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-200Exposure of Sensitive Information to an Unauthorized Actor
T1533Data from Local System

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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