Ruijie Reyee OS Improper Handling of Insufficient Permissions or Privileges

published 2024-12-06 23 mo ago modified 2026-06-17 4 mo ago also EUVD-2024-42180

cvss: 8.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 34%
public exploits: 0; none known

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.

Patch / fix

fixed in 2

Ruijie Reyee OS 2.320.x
ruijie reyee_os 2.320.x

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-24-338-01 updated 2024-12-10 cvss 7.5

Ruijie Reyee OS (Update A)

Ruijie Reyee OS >=2.206.x, <2.320.x
affected: mitigation “Ruijie reports that the issues have been fixed on the cloud and no action is needed by end users.”

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 23 mo ago (2024-12-06)

Exploit prediction

0.40% chance of exploitation in the next 30 days, higher than 34% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	8.1	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA	4.0	9.2	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
CNA	4.0	9.2	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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
NVD	3.1	9.9	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Affected products

Ruijie Reyee OS
ruijie reyee_os

Classification

Weakness

CWE-280 Improper Handling of Insufficient Permissions or Privileges

References

cisa.gov /news-events/ics-advisories/icsa-24-338-01
third-party-advisory, us-government-resource

Sources

CVE List CVE-2024-46874
NVD CVE-2024-46874

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary