CVE-2023-6815

Name: CVE-2023-6815
Creator: NVD / NIST
Published: 2024-02-13T07:15:46.843+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.70%

Last modified Jun 17, 2026

CVE-2023-6815 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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.. EPSS estimates a 0.70% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

6.5/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

0.70%

48.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-266

Affected Software

Vendor	Product	Versions
Mitsubishielectric	R08sfcpu Firmware	All versions
Mitsubishielectric	R16sfcpu Firmware	All versions
Mitsubishielectric	R32sfcpu Firmware	All versions
Mitsubishielectric	R120sfcpu Firmware	All versions
Mitsubishielectric	R08psfcpu Firmware	All versions
Mitsubishielectric	R16psfcpu Firmware	All versions
Mitsubishielectric	R32psfcpu Firmware	All versions
Mitsubishielectric	R120psfcpu Firmware	All versions

References

https://jvn.jp/vu/JVNVU95085830/index.htmlThird Party Advisory
https://www.cisa.gov/news-events/ics-advisories/icsa-24-044-01Third Party Advisory, US Government Resource
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-021_en.pdfMitigation, Vendor Advisory
https://jvn.jp/vu/JVNVU95085830/index.htmlThird Party Advisory
https://www.cisa.gov/news-events/ics-advisories/icsa-24-044-01Third Party Advisory, US Government Resource
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-021_en.pdfMitigation, Vendor Advisory

Timeline

Published: Feb 13, 2024
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-6815?

How severe is CVE-2023-6815?

CVE-2023-6815 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.70% probability of exploitation in the next 30 days.

How do I fix CVE-2023-6815?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-6815?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST