CVE-2024-20835

Local privileged actions via deprecated service functions

Published Mar 5, 2024 · Updated Aug 16, 2024

Samsung Mobile Devices before SMR Mar-2024 Release 1 allow local users to execute privileged actions through an authorization bypass. CustomFrequencyManagerService exposes deprecated functions whose continued presence permits improper access; Samsung has not disclosed individual function names. An attacker must execute code locally on an affected device, and the vendor has not identified the specific privileged behavior or broader data effects.

CVSS severity4.0
Medium
EPSS probability0.14%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Samsung Mobile Devices before SMR Mar-2024 Release 1 allow local users to execute privileged actions through an authorization bypass. CustomFrequencyManagerService exposes deprecated functions whose continued presence permits improper access; Samsung has not disclosed individual function names. An attacker must execute code locally on an affected device, and the vendor has not identified the specific privileged behavior or broader data effects.

The record

CVE
CVE-2024-20835
Published
Mar 5, 2024
Updated
Aug 16, 2024
Vendor
Samsung Electronics
Product
Android
Classifications
CWE-863, T1626
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 5, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 16, 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=11.0
  2. Affected versionversion=12.0
  3. Affected versionversion=13.0
  4. Affected versionversion=14.0

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Samsung Electronics · Androidversion=11.0; version=12.0; version=13.0; version=14.0
Samsung Electronics Co., Ltd. · Samsung Mobile DevicesAffected versions are unavailable in this record.

Published CVSS scores

7.8NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
4.0Samsung MobileCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

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-863Incorrect Authorization
T1626Abuse Elevation Control Mechanism

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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