What is the CVSS score of CVE-2024-50307?

CVE-2024-50307 has a CVSS 3.1 base score of 5.5 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L. EPSS exploitation probability: 0.3%.

Microsoft CVE-2024-50307

MEDIUM

Use of Potentially Dangerous Function (CWE-676)

2024-10-28 vultures@jpcert.or.jp

RCE Microsoft

5.5

CVSS 3.1 · Vendor: jpcert

View

Vulnerability Assessment

Weakness	CWE CWE-676 OWASP Top 10:2025 A06:2025 - Insecure Design ASVS 5.0 V15 - Secure Coding and Architecture Safe function alternatives
Impact	CVSS score of 5.5 (MEDIUM). Attack characteristics: network attack vector, low complexity, low privileges required, user interaction required.
Exploit ScenarioDerived	This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the medium-severity affected system.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).

No patch listed yet 0.3% exploitation probability (EPSS)

Get an e-mail when this CVE is exploited, patched or re-scored. Free account.

Alert me

AnalysisAI

Use of potentially dangerous function issue exists in Chatwork Desktop Application (Windows) versions prior to 2.9.2. Rated medium severity (CVSS 5.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affected ProductsAI

See vendor advisory for affected versions.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified under CWE-676. Use of potentially dangerous function issue exists in Chatwork Desktop Application (Windows) versions prior to 2.9.2. If a user clicks a specially crafted link in the application, an arbitrary file may be downloaded from an external website and executed. As a result, arbitrary code may be executed on the device that runs Chatwork Desktop Application (Windows). Version information: prior to 2.9.2..

Know when the next one hits your stack

Watch products and get an email when something new is published
Check this CVE against your own stack and servers
Exploit and PoC references, threat intelligence from 22 sources

Continue with Google Continue with GitHub

No credit card · 7-day full trial

Severity by source

Vendor (jpcert) PRIMARY 5.5 MEDIUM

AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L

Primary rating from Vendor (jpcert) · only source for this CVE.

CVSS VectorVendor: jpcert

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

DescriptionCVE.org

Use of potentially dangerous function issue exists in Chatwork Desktop Application (Windows) versions prior to 2.9.2. If a user clicks a specially crafted link in the application, an arbitrary file may be downloaded from an external website and executed. As a result, arbitrary code may be executed on the device that runs Chatwork Desktop Application (Windows).

Threat Intelligence Overview

EPSS Score

0.3%

Top 84% exploitable

Data Quality

2 sources

Confidence: Low

NVD

CVE.org

EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity MEDIUM

CISA KEV No

Public POC No

EPSS 0.3%

Patch available No

Active threat No

Deciding rule

MEDIUM severity (CVSS 4.0-6.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.