Detections
Analytics
Mitsubishi MELSEC and MELIPC Denial Of Service (CVE-2020-5531)
critical Tenable OT Security Plugin ID 500600
Synopsis
The remote OT asset is affected by a vulnerability.Description
Mitsubishi Electric MELSEC C Controller Module and MELIPC Series MI5000 MELSEC-Q Series C Controller Module(Q24DHCCPU-V, Q24DHCCPU-VG User Ethernet port (CH1, CH2): First 5 digits of serial number 21121 or before), MELSEC iQ-R Series C Controller Module / C Intelligent Function Module(R12CCPU-V Ethernet port (CH1, CH2): First 2 digits of serial number 11 or before, and RD55UP06-V Ethernet port: First 2 digits of serial number 08 or before), and MELIPC Series MI5000(MI5122-VW Ethernet port (CH1): First 2 digits of serial number 03 or before, or the firmware version 03 or before) allow remote attackers to cause a denial of service and/or malware being executed via unspecified vectors.This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information.
Solution
Refer to the vendor advisory.See Also
Plugin Details
Severity: Critical
ID: 500600
Version: 1.5
Type: remote
Family: Tenable.ot
Published: 2/7/2022
Updated: 1/22/2024
Supported Sensors: Tenable OT Security
Risk Information
VPR
Risk Factor: Medium
Score: 5.9
CVSS v2
Risk Factor: High
Base Score: 7.5
Temporal Score: 5.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS Score Source: CVE-2020-5531
CVSS v3
Risk Factor: Critical
Base Score: 9.8
Temporal Score: 8.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: cpe:/o:mitsubishielectric:mi5122-vw_firmware, cpe:/o:mitsubishielectric:q24dhccpu-v_firmware, cpe:/o:mitsubishielectric:q24dhccpu-vg_firmware, cpe:/o:mitsubishielectric:r12ccpu-v_firmware, cpe:/o:mitsubishielectric:rd55up06-v_firmware
Required KB Items: Tenable.ot/Mitsubishi
Exploit Ease: No known exploits are available
Patch Publication Date: 2/17/2020
Vulnerability Publication Date: 2/17/2020
Reference Information
CVE: CVE-2020-5531