CVE-2022-27828

Local privilege escalation through improper event validation

Published Apr 11, 2022 · Updated Aug 3, 2024

Improper input validation in MediaMonitorEvent on Samsung Mobile Devices before SMR Apr-2022 Release 1 allows attackers to escalate privileges. Samsung has not disclosed which MediaMonitorEvent field is accepted without proper validation or how the crafted event launches an activity. The flaw is reached locally without privileges or user interaction, and the reported consequence is privilege escalation.

CVSS severity7.8
High
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

Improper input validation in MediaMonitorEvent on Samsung Mobile Devices before SMR Apr-2022 Release 1 allows attackers to escalate privileges. Samsung has not disclosed which MediaMonitorEvent field is accepted without proper validation or how the crafted event launches an activity. The flaw is reached locally without privileges or user interaction, and the reported consequence is privilege escalation.

The record

CVE
CVE-2022-27828
Published
Apr 11, 2022
Updated
Aug 3, 2024
Vendor
Samsung Electronics Co., Ltd.
Product
Samsung Mobile Devices
Classifications
CWE-20, T1404
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 11, 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=O(10), R(11), S(12) <SMR Apr-2022 Release 1

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Samsung Electronics Co., Ltd. · Samsung Mobile Devicesversion=O(10), R(11), S(12) <SMR Apr-2022 Release 1

Published CVSS scores

7.2NVDAV:L/AC:L/Au:N/C:C/I:C/A:C
8.5Samsung MobileCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:L
7.8NVDCVSS:3.1/AV:L/AC:L/PR:L/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.

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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-20Improper Input Validation
T1404Exploitation for Privilege Escalation

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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