CVE-2022-39862Network attack vector

Data disclosure via unauthorized JavaScript API use

Published Oct 7, 2022 · Updated Aug 3, 2024

Improper authorization in Samsung Mobile Devices' Dynamic Lockscreen on Android 11 and 12 allows remote attackers to access data via a JavaScript API. Dynamic Lockscreen retains unused code that exposes the interface without the authorization needed to restrict its use. No privileges or user interaction are required, but Samsung has not disclosed the interface, request format, or specific data exposed.

CVSS severity9.8
Critical
EPSS probability0.55%
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 Samsung Mobile Devices' Dynamic Lockscreen on Android 11 and 12 allows remote attackers to access data via a JavaScript API. Dynamic Lockscreen retains unused code that exposes the interface without the authorization needed to restrict its use. No privileges or user interaction are required, but Samsung has not disclosed the interface, request format, or specific data exposed.

The record

CVE
CVE-2022-39862
Published
Oct 7, 2022
Updated
Aug 3, 2024
Vendor
Samsung Electronics Co., Ltd.
Product
Samsung Mobile Devices
Classifications
CWE-285
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 7, 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=R(11), S(12) <SMR Oct-2022 Release 1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Samsung Electronics Co., Ltd. · Samsung Mobile Devicesversion=R(11), S(12) <SMR Oct-2022 Release 1

Published CVSS scores

5.3Samsung MobileCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
9.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-285Improper Authorization

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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