CVE-2021-25515

BSSID disclosure via unrestricted implicit intent

Published Dec 8, 2021 · Updated Aug 3, 2024

Information disclosure in Samsung Mobile Devices before SMR Dec-2021 Release 1 allows local users to access the device BSSID. SemRewardManager places the BSSID in an implicit intent without restricting which application can receive it. A local application is required, and the reported consequence is limited to disclosure of the Wi-Fi access point identifier.

CVSS severity4.0
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

Information disclosure in Samsung Mobile Devices before SMR Dec-2021 Release 1 allows local users to access the device BSSID. SemRewardManager places the BSSID in an implicit intent without restricting which application can receive it. A local application is required, and the reported consequence is limited to disclosure of the Wi-Fi access point identifier.

The record

CVE
CVE-2021-25515
Published
Dec 8, 2021
Updated
Aug 3, 2024
Vendor
Samsung Electronics Co., Ltd.
Product
Samsung Mobile Devices
Classifications
CWE-269, CWE-668, T1422.002
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Dec 8, 2021CVE 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=P(9.0), Q(10.0), R(11.0) <SMR Dec-2021 Release 1

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Samsung Electronics Co., Ltd. · Samsung Mobile Devicesversion=P(9.0), Q(10.0), R(11.0) <SMR Dec-2021 Release 1

Published CVSS scores

4.0Samsung MobileCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
3.3NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
2.1NIST NVDAV:L/AC:L/Au:N/C:P/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.

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)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-269Improper Privilege Management
CWE-668Exposure of Resource to Wrong Sphere
T1422.002System Network Configuration Discovery: Wi-Fi Discovery

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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