CVE-2022-39898

USIM information disclosure via missing permission check

Published Dec 8, 2022 · Updated Apr 23, 2025

Improper access control in IIccPhoneBook on Samsung Mobile Devices before SMR Dec-2022 Release 1 allows local users to read USIM information. IIccPhoneBook lacks the permission enforcement needed to block unauthorized access to its USIM information. A local application context is required; the documented effect is limited to disclosure of unspecified USIM information, with no integrity or availability impact.

CVSS severity4.0
Medium
EPSS probability0.12%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper access control in IIccPhoneBook on Samsung Mobile Devices before SMR Dec-2022 Release 1 allows local users to read USIM information. IIccPhoneBook lacks the permission enforcement needed to block unauthorized access to its USIM information. A local application context is required; the documented effect is limited to disclosure of unspecified USIM information, with no integrity or availability impact.

The record

CVE
CVE-2022-39898
Published
Dec 8, 2022
Updated
Apr 23, 2025
Vendor
Samsung Electronics Co., Ltd.
Product
Samsung Mobile Devices
Classifications
CWE-284, T1636
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Dec 8, 2022CVE publishedPublication date reported by the CVE source.
  2. Apr 23, 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 Dec-2022 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 Dec-2022 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.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-284Improper Access Control
T1636Protected User Data

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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