CVE-2022-20500

Boot-time denial of service via malformed shortcut XML

Published Dec 13, 2022 · Updated Apr 22, 2025

Improper exception handling in Android 10, 11, 12, 12L, and 13 allows local users to cause a boot-time crash through malformed shortcut XML. ShortcutPackage.loadFromXml passed each shortcut element to parseShortcut without isolating parsing exceptions, so malformed persisted data aborted package loading; the patch catches each exception and ignores that entry. A local user with no additional execution privileges can trigger the failure without user interaction, leaving the device unable to complete a normal boot.

CVSS severity5.5
Medium
EPSS probability0.13%
Next 30 days · Sep 17, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper exception handling in Android 10, 11, 12, 12L, and 13 allows local users to cause a boot-time crash through malformed shortcut XML. ShortcutPackage.loadFromXml passed each shortcut element to parseShortcut without isolating parsing exceptions, so malformed persisted data aborted package loading; the patch catches each exception and ignores that entry. A local user with no additional execution privileges can trigger the failure without user interaction, leaving the device unable to complete a normal boot.

The record

CVE
CVE-2022-20500
Published
Dec 13, 2022
Updated
Apr 22, 2025
Vendor
Google Cloud
Product
Android
Classifications
CWE-755, T1499
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Dec 13, 2022CVE publishedPublication date reported by the CVE source.
  2. Apr 22, 2025Record 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=Android-10 Android-11 Android-12 Android-12L Android-13

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Google Cloud · Androidversion=Android-10 Android-11 Android-12 Android-12L Android-13

Published CVSS scores

5.5CISA-ADPCVSS: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

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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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-755Improper Handling of Exceptional Conditions
T1499Endpoint Denial of Service

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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