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CVE-2024-46874

Ruijie Reyee OS Improper Handling of Insufficient Permissions or Privileges

Critical9.2EPSS 0.40%
Published
Updated
Reserved
Assigned by
icscert

Description

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.

Scores

CVSS scores of CVE-2024-46874, by who scored it
Scored byCVSSScoreVector
icscertCNA (assigner)4.0Critical9.2CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
icscertCNA (assigner)3.1High8.1CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
NVDNVD · Analyzed4.0Critical9.2CVSS: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
EPSS (exploitation in 30 days)
0.40% · top 65% of all CVEs (6 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: total
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.2.

Weakness

Affected products

What to do

Solution: Ruijie reports that the issues have been fixed on the cloud and no action is needed by end users. However, CISA recommends users take defensive measures to minimize the risk of exploitation of these vulnerabilities, such as: * Minimize network exposure for all control system devices and/or systems, ensuring they are not accessible from the internet https://www.cisa.gov/uscert/ics/alerts/ICS-ALERT-10-301-01 . * Locate control system networks and remote devices behind firewalls and isolating them from business networks. * When remote access is required, use more secure methods, such as Virtual Private Networks (VPNs), recognizing VPNs may have vulnerabilities and should be updated to the most current version available. Also recognize VPN is only as secure as the connected devices.

References (1)

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

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Record last updated .