CVE-2022-33719Network attack vector

Unauthenticated heap overflow via baseband integer overflow

Published Aug 5, 2022 · Updated Aug 3, 2024

Improper input validation in Samsung Mobile Devices before SMR Aug-2022 Release 1 allows remote attackers to trigger a baseband heap overflow. The baseband fails to validate an undisclosed input before an integer calculation, allowing the integer result to overflow and drive a heap overflow. The flaw affects selected Android 10 through 12 devices with S.LSI CP chipsets and requires no privileges or user interaction.

CVSS severity8.6
High
EPSS probability0.36%
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 Samsung Mobile Devices before SMR Aug-2022 Release 1 allows remote attackers to trigger a baseband heap overflow. The baseband fails to validate an undisclosed input before an integer calculation, allowing the integer result to overflow and drive a heap overflow. The flaw affects selected Android 10 through 12 devices with S.LSI CP chipsets and requires no privileges or user interaction.

The record

CVE
CVE-2022-33719
Published
Aug 5, 2022
Updated
Aug 3, 2024
Vendor
Samsung Electronics Co., Ltd.
Product
Samsung Mobile Devices
Classifications
CWE-20
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 5, 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=10, 11, 12 <SMR Aug-2022 Release 1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Samsung Electronics Co., Ltd. · Samsung Mobile Devicesversion=10, 11, 12 <SMR Aug-2022 Release 1

Published CVSS scores

8.6Samsung MobileCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
9.8NVDCVSS:3.1/AV:N/AC:L/PR:N/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)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-20Improper Input Validation

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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