CVE-2023-40631

Local information disclosure via missing permission check

Published Oct 8, 2023 · Updated Sep 19, 2024

Information disclosure in UNISOC Dialer on Android 10 through Android 12 allows local users with System privileges to read data. The Dialer omits an unspecified permission check before allowing access to sensitive information; UNISOC has not disclosed the affected function or protected data. Exploitation requires local System execution privileges and affects confidentiality only, with no reported integrity or availability impact.

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 Dialer on Android 10 through Android 12 allows local users with System privileges to read data. The Dialer omits an unspecified permission check before allowing access to sensitive information; UNISOC has not disclosed the affected function or protected data. Exploitation requires local System execution privileges and affects confidentiality only, with no reported integrity or availability impact.

The record

CVE
CVE-2023-40631
Published
Oct 8, 2023
Updated
Sep 19, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-200, CWE-862
Attack vector
local
Privileges
admin

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?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectorlocal
Required privilegesadmin

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

4.0UNISOCCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
4.4NIST NVDCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/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.

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)
Vectorlocal
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-200Exposure of Sensitive Information to an Unauthorized Actor
CWE-862Missing Authorization

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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