CVE-2023-35657

Local information disclosure via Bluetooth union type confusion

Published Sep 4, 2025 · Updated Sep 4, 2025

Out-of-bounds read in Android 13 through 15 allows local users to disclose information through the Bluetooth stack. In bta_av_config_ind, a union carrying tBTA_AV_CI_SETCONFIG is passed to bta_av_setconfig_rej, which wrongly treats it as tBTA_AV_STR_MSG and reads beyond the valid member. No additional execution privileges or user interaction are required, and the documented consequence is limited to local information disclosure.

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

Out-of-bounds read in Android 13 through 15 allows local users to disclose information through the Bluetooth stack. In bta_av_config_ind, a union carrying tBTA_AV_CI_SETCONFIG is passed to bta_av_setconfig_rej, which wrongly treats it as tBTA_AV_STR_MSG and reads beyond the valid member. No additional execution privileges or user interaction are required, and the documented consequence is limited to local information disclosure.

The record

CVE
CVE-2023-35657
Published
Sep 4, 2025
Updated
Sep 4, 2025
Vendor
Google Cloud
Product
Android
Classifications
CWE-125
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 4, 2025CVE publishedPublication date reported by the CVE source.
  2. Sep 4, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

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  1. Affected versionversion=13
  2. Affected versionversion=14
  3. Affected versionversion=15

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Google Cloud · Androidversion=13; version=14; version=15

Published CVSS scores

4.0CISA-ADPCVSS: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-125Out-of-bounds Read

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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