CVE-2024-20889

Unauthorized Bluetooth pairing via improper authentication

Published Jul 2, 2024 · Updated Aug 1, 2024

Improper authentication in BLE on select Samsung Android 12–14 devices allows adjacent attackers to pair without authorization. Samsung identifies improper BLE authentication but has not disclosed the affected pairing routine or the authentication check that fails. An attacker must be within Bluetooth range; successful pairing can trigger abnormal device behavior, but Samsung discloses no more specific consequence.

CVSS severity5.9
Medium
EPSS probability0.22%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Improper authentication in BLE on select Samsung Android 12–14 devices allows adjacent attackers to pair without authorization. Samsung identifies improper BLE authentication but has not disclosed the affected pairing routine or the authentication check that fails. An attacker must be within Bluetooth range; successful pairing can trigger abnormal device behavior, but Samsung discloses no more specific consequence.

The record

CVE
CVE-2024-20889
Published
Jul 2, 2024
Updated
Aug 1, 2024
Vendor
Samsung Electronics
Product
Android
Classifications
CWE-287
Attack vector
adjacent
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 2, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 1, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Affected versions are unavailable in this record. Check the vendor advisory for version and patch details.

What conditions does exploitation require?

Attack vectoradjacent
Required privilegesunauthenticated

What is affected?

Samsung Electronics · AndroidAffected versions are unavailable in this record.
Samsung Electronics Co., Ltd. · Samsung Mobile DevicesAffected versions are unavailable in this record.

Published CVSS scores

5.9Samsung MobileCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:H
4.3NIST NVDCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/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)
Vectoradjacent
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-287Improper Authentication

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

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo