CVE-2023-21429

SSID disclosure via hijackable implicit intent

Published Feb 9, 2023 · Updated Mar 24, 2025

Improper authorization in ePDG in Samsung Mobile Devices on Android 10 through 13 allows local users to access the Wi-Fi SSID. ePDG sends the SSID through an implicit intent, allowing an application with a matching intent filter to receive the value. A malicious application running locally needs no privileges or user interaction; the reported consequence is limited to SSID disclosure.

CVSS severity4.0
Medium
EPSS probability0.16%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper authorization in ePDG in Samsung Mobile Devices on Android 10 through 13 allows local users to access the Wi-Fi SSID. ePDG sends the SSID through an implicit intent, allowing an application with a matching intent filter to receive the value. A malicious application running locally needs no privileges or user interaction; the reported consequence is limited to SSID disclosure.

The record

CVE
CVE-2023-21429
Published
Feb 9, 2023
Updated
Mar 24, 2025
Vendor
Samsung Electronics Co., Ltd.
Product
Samsung Mobile Devices
Classifications
CWE-285, T1422.002
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 9, 2023CVE publishedPublication date reported by the CVE source.
  2. Mar 24, 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?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=Q(10), R(11), S(12), T(13) <SMR Jan-2023 Release 1

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Samsung Electronics Co., Ltd. · Samsung Mobile Devicesversion=Q(10), R(11), S(12), T(13) <SMR Jan-2023 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

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-285Improper Authorization
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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