Mitsubishi MELSEC iQ-R Series Incorrect Privilege Assignment (CVE-2023-6815)

medium Tenable OT Security Plugin ID 502653

Synopsis

The remote OT asset is affected by a vulnerability.

Description

Incorrect Privilege Assignment vulnerability in Mitsubishi Electric Corporation MELSEC iQ-R Series Safety CPU R08/16/32/120SFCPU all versions and MELSEC iQ-R Series SIL2 Process CPU R08/16/32/120PSFCPU all versions allows a remote authenticated attacker who has logged into the product as a non-administrator user to disclose the credentials (user ID and password) of a user with a lower access level than the attacker by sending a specially crafted packet.

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

https://jvn.jp/vu/JVNVU95085830/index.html

https://www.cisa.gov/news-events/ics-advisories/icsa-24-044-01

http://www.nessus.org/u?2fb6d521

Plugin Details

Severity: Medium

ID: 502653

Version: 1.2

Type: remote

Family: Tenable.ot

Published: 10/23/2024

Updated: 10/24/2024

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:N/A:N

CVSS Score Source: CVE-2023-6815

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:mitsubishielectric:r08psfcpu_firmware, cpe:/o:mitsubishielectric:r08sfcpu_firmware, cpe:/o:mitsubishielectric:r16sfcpu_firmware, cpe:/o:mitsubishielectric:r16psfcpu_firmware, cpe:/o:mitsubishielectric:r120sfcpu_firmware, cpe:/o:mitsubishielectric:r120psfcpu_firmware, cpe:/o:mitsubishielectric:r32sfcpu_firmware, cpe:/o:mitsubishielectric:r32psfcpu_firmware

Required KB Items: Tenable.ot/Mitsubishi

Exploit Ease: No known exploits are available

Patch Publication Date: 2/13/2024

Vulnerability Publication Date: 2/13/2024

Reference Information

CVE: CVE-2023-6815

CWE: 266

ICSA: 24-044-01