CVE-2023-32813

Local information disclosure via GNSS buffer overwrite

Published Sep 4, 2023 · Updated Oct 8, 2024

Out-of-bounds write in MediaTek GNSS service on affected chipsets allows local users with System privileges to disclose information. The service accepts improperly validated input and writes beyond a valid memory boundary; MediaTek has not disclosed the affected function or input path. Exploitation requires local System execution privileges, needs no user interaction, and affects confidentiality without reported integrity or availability impact.

CVSS severity4.4
Medium
EPSS probability0.10%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Out-of-bounds write in MediaTek GNSS service on affected chipsets allows local users with System privileges to disclose information. The service accepts improperly validated input and writes beyond a valid memory boundary; MediaTek has not disclosed the affected function or input path. Exploitation requires local System execution privileges, needs no user interaction, and affects confidentiality without reported integrity or availability impact.

The record

CVE
CVE-2023-32813
Published
Sep 4, 2023
Updated
Oct 8, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-20, CWE-787
Attack vector
local
Privileges
admin

Timeline

How it unfolded

  1. Sep 4, 2023CVE publishedPublication date reported by the CVE source.
  2. Oct 8, 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

4.4NIST National Vulnerability DatabaseCVSS: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.

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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
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-20Improper Input Validation
CWE-787Out-of-bounds Write

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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