CVE-2024-50307Network attack vector

Code execution via crafted in-app links

Published Oct 28, 2024 · Updated Oct 28, 2024

Code execution in kubell Chatwork Desktop Application before 2.9.2 allows remote authenticated users to run files through crafted links. The application follows a crafted in-app link to an external site and permits an arbitrary downloaded file to execute; the vendor has not identified the dangerous function. Exploitation requires an authenticated user to supply the link and another user to click it, after which code runs with the clicking user's device privileges.

CVSS severity5.5
Medium
EPSS probability0.26%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Code execution in kubell Chatwork Desktop Application before 2.9.2 allows remote authenticated users to run files through crafted links. The application follows a crafted in-app link to an external site and permits an arbitrary downloaded file to execute; the vendor has not identified the dangerous function. Exploitation requires an authenticated user to supply the link and another user to click it, after which code runs with the clicking user's device privileges.

The record

CVE
CVE-2024-50307
Published
Oct 28, 2024
Updated
Oct 28, 2024
Vendor
Chatwork Co., Ltd.
Product
Chatwork Desktop Application
Classifications
CWE-676, T1204.001
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Oct 28, 2024CVE publishedPublication date reported by the CVE source.
  2. Oct 28, 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=versions prior to 2.9.2

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Chatwork Co., Ltd. · Chatwork Desktop Applicationversion=versions prior to 2.9.2

Published CVSS scores

5.5CISA-ADPCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L
5.5JPCERT/CCCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L

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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-676Use of Potentially Dangerous Function
T1204.001User Execution: Malicious Link

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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