CVE-2022-1109

Local application crash

Published Jan 20, 2023 · Updated Apr 2, 2025

Incorrect default permissions in Lenovo LeCloud (Lenovo Leyun) before 6.8.21.99 allow local users to crash the application. Lenovo has not disclosed which files, directories, or other resources receive unsafe default permissions or how they are abused. The attack requires local low-privilege access and interrupts only the Leyun application; no confidentiality or integrity impact is reported.

CVSS severity5.5
Medium
EPSS probability0.34%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Incorrect default permissions in Lenovo LeCloud (Lenovo Leyun) before 6.8.21.99 allow local users to crash the application. Lenovo has not disclosed which files, directories, or other resources receive unsafe default permissions or how they are abused. The attack requires local low-privilege access and interrupts only the Leyun application; no confidentiality or integrity impact is reported.

The record

CVE
CVE-2022-1109
Published
Jan 20, 2023
Updated
Apr 2, 2025
Vendor
Lenovo
Product
Lenovo LeCloud (Lenovo Leyun)
Classifications
CWE-276, T1489
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Jan 20, 2023CVE publishedPublication date reported by the CVE source.
  2. Apr 2, 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?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=Versions prior to 6.8.21.99

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Lenovo · Lenovo LeCloud (Lenovo Leyun)version=Versions prior to 6.8.21.99

Published CVSS scores

5.5LenovoCVSS: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

CWE-276Incorrect Default Permissions
T1489Service Stop

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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