CVE-2022-27829

Local privilege escalation via improper response validation

Published Apr 11, 2022 · Updated Aug 3, 2024

Improper validation in Samsung Mobile Devices on S(12) before SMR Apr-2022 Release 1 allows local users to escalate privileges. VerifyCredentialResponse fails to apply validation logic to a credential response before privileged activity is launched; Samsung has not disclosed the rejected condition. Local access is required, with no existing privilege or user interaction, and the attained privilege boundary is undisclosed.

CVSS severity8.5
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 validation in Samsung Mobile Devices on S(12) before SMR Apr-2022 Release 1 allows local users to escalate privileges. VerifyCredentialResponse fails to apply validation logic to a credential response before privileged activity is launched; Samsung has not disclosed the rejected condition. Local access is required, with no existing privilege or user interaction, and the attained privilege boundary is undisclosed.

The record

CVE
CVE-2022-27829
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=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=S(12) <SMR Apr-2022 Release 1

Published CVSS scores

7.8NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.2NIST NVDAV: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

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-20Improper Input Validation
T1404Exploitation for Privilege Escalation

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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