What is the CVSS score of CVE-2024-46874?

CVE-2024-46874 has a CVSS 4.0 base score of 9.2 (Critical). CVSS vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N. EPSS exploitation probability: 0.4%.

Reyee Os CVE-2024-46874

CRITICAL

Improper Handling of Insufficient Permissions or Privileges (CWE-280)

2024-12-06 ics-cert@hq.dhs.gov

Information Disclosure Reyee Os Ruijienetworks

9.2

CVSS 4.0 · Vendor: hq

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Vulnerability Assessment

Weakness	CWE CWE-280 OWASP Top 10:2025 A10:2025 - Mishandling of Exceptional Conditions ASVS 5.0 V8 - Authorization Insufficient permission handling
Impact	CVSS score of 9.2 (CRITICAL). Attack characteristics: network attack vector, high complexity, no privileges required, no user interaction not required.
Exploit ScenarioDerived	This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the critical-severity affected system.

Act Now Prioritize within 24-48h. Why: CRITICAL severity.

No patch listed yet 0.4% exploitation probability (EPSS)

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AnalysisAI

Ruijie Reyee OS versions 2.206.x up to but not including 2.320.x could allow MQTT clients connecting with device credentials to send messages to some topics. Rated critical severity (CVSS 9.2), this vulnerability is remotely exploitable, no authentication required. 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.

Affects your stack

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Technical ContextAI · show details

This vulnerability is classified under CWE-280. Ruijie Reyee OS versions 2.206.x up to but not including 2.320.x could allow MQTT clients connecting with device credentials to send messages to some topics. Attackers with device credentials could issue commands to other devices on behalf of Ruijie's cloud. Affected products include: Ruijienetworks Reyee Os.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (hq) PRIMARY 9.2 CRITICAL

CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

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

CVSS VectorVendor: hq

Attack Vector

Network

Attack Complexity

High

Attack Requirements

None

Privileges Required

None

User Interaction

None

Vulnerable system: Confidentiality

High

Vulnerable system: Integrity

High

Vulnerable system: Availability

High

Subsequent system: Confidentiality

None

Subsequent system: Integrity

None

Subsequent system: Availability

None

DescriptionCVE.org

Ruijie Reyee OS versions 2.206.x up to but not including 2.320.x could allow MQTT clients connecting with device credentials to send messages to some topics. Attackers with device credentials could issue commands to other devices on behalf of Ruijie's cloud.

Threat Intelligence Overview

EPSS Score

0.4%

Top 67% 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 CRITICAL

CISA KEV No

Public POC No

EPSS 0.4%

Patch available No

Active threat No

Deciding rule

CRITICAL severity

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.

SSVC AssessmentENISA

SSVC Decision· derived

Scheduled

Exploitation· derived

None

System Exposure· derived

Open

Automatable· derived

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +46

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Information Disclosure MEDIUM

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.