CVE-2023-38438

Local information disclosure via missing permission check

Published Sep 4, 2023 · Updated Oct 2, 2024

Information disclosure in UNISOC vowifiservice on affected chipsets running Android 9 through 11 allows local users to read restricted information. The service omits a permission check before returning information to an unprivileged caller, but UNISOC has not disclosed the affected request path or data. Exploitation requires local code execution on a device with an affected chipset; no additional execution privileges or user interaction are required.

CVSS severity4.0
Medium
EPSS probability0.09%
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 vowifiservice on affected chipsets running Android 9 through 11 allows local users to read restricted information. The service omits a permission check before returning information to an unprivileged caller, but UNISOC has not disclosed the affected request path or data. Exploitation requires local code execution on a device with an affected chipset; no additional execution privileges or user interaction are required.

The record

CVE
CVE-2023-38438
Published
Sep 4, 2023
Updated
Oct 2, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-200, T1636
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 4, 2023CVE publishedPublication date reported by the CVE source.
  2. Oct 2, 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 privilegesunauthenticated

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

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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-200Exposure of Sensitive Information to an Unauthorized Actor
T1636Data from Local System

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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