CVE-2022-33734

Bluetooth connection disclosure via unprotected implicit intent

Published Aug 5, 2022 · Updated Aug 3, 2024

Information disclosure in onCharacteristicChanged in Samsung Charm before 1.2.3 allows local users to read Bluetooth connection data. The callback exposes Bluetooth connection information through an implicit intent without enforcing receiver permission. A local app needs no Charm permission to receive the data, while integrity and service availability remain unaffected.

CVSS severity6.2
Medium
EPSS probability0.19%
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 onCharacteristicChanged in Samsung Charm before 1.2.3 allows local users to read Bluetooth connection data. The callback exposes Bluetooth connection information through an implicit intent without enforcing receiver permission. A local app needs no Charm permission to receive the data, while integrity and service availability remain unaffected.

The record

CVE
CVE-2022-33734
Published
Aug 5, 2022
Updated
Aug 3, 2024
Vendor
Samsung Electronics
Product
Samsung Charm
Classifications
CWE-927, T1120
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 5, 2022CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 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=unspecified <1.2.3

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Samsung Electronics · Samsung Charmversion=unspecified <1.2.3

Published CVSS scores

6.2Samsung MobileCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
5.5NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/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 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-927Use of Implicit Intent for Sensitive Communication
T1120Peripheral Device Discovery

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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