CVE-2022-36850

Arbitrary file overwrite via path traversal

Published Sep 9, 2022 · Updated Aug 3, 2024

Path traversal in CallBGProvider on Samsung Mobile Devices S(12) allows local users to overwrite arbitrary files with the phone UID. CallBGProvider accepts a traversal path without proper input validation and writes to the resolved location under the phone UID. The flaw is reachable locally without prior privileges or user interaction, and its documented consequence is limited to file integrity.

CVSS severity4.0
Medium
EPSS probability0.11%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Path traversal in CallBGProvider on Samsung Mobile Devices S(12) allows local users to overwrite arbitrary files with the phone UID. CallBGProvider accepts a traversal path without proper input validation and writes to the resolved location under the phone UID. The flaw is reachable locally without prior privileges or user interaction, and its documented consequence is limited to file integrity.

The record

CVE
CVE-2022-36850
Published
Sep 9, 2022
Updated
Aug 3, 2024
Vendor
Samsung Electronics Co., Ltd.
Product
Samsung Mobile Devices
Classifications
CWE-20, CWE-22
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 9, 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?

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  1. Affected versionversion=S(12) <SMR Sep-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 Sep-2022 Release 1

Published CVSS scores

4.0Samsung MobileCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
4.7NIST National Vulnerability DatabaseCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/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 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
CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

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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