CVE-2022-20439

Local service interruption via unauthorized Messaging provider

Published Oct 11, 2022 · Updated Aug 3, 2024

Denial of service in Android SoC Messaging allows local users with low privileges to interrupt service through an unauthorized provider. The published record does not identify the provider, the missing authorization check, or the affected Messaging operation. Exploitation requires local low-privileged access and affects availability, with no reported confidentiality or integrity impact.

CVSS severity5.5
Medium
EPSS probability0.12%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Denial of service in Android SoC Messaging allows local users with low privileges to interrupt service through an unauthorized provider. The published record does not identify the provider, the missing authorization check, or the affected Messaging operation. Exploitation requires local low-privileged access and affects availability, with no reported confidentiality or integrity impact.

The record

CVE
CVE-2022-20439
Published
Oct 11, 2022
Updated
Aug 3, 2024
Vendor
Google Cloud
Product
Android
Classifications
T1499
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Oct 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=Android SoC

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Google Cloud · Androidversion=Android SoC

Published CVSS scores

5.5NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1499Endpoint Denial of Service

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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