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CVE-2023-1424

CRITICAL
Published 2023-05-24T04:39:25.040Z
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CVSS Score

V3.1
10.0
/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.013
probability
of exploitation in the wild

There is a 1.3% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.788
Higher than 78.8% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED

Impact Metrics

Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Description

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series CPU modules and MELSEC iQ-R Series CPU modules allows a remote unauthenticated attacker to cause a denial of service (DoS) condition or execute malicious code on a target product by sending specially crafted packets. A system reset of the product is required for recovery from a denial of service (DoS) condition and malicious code execution.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5U-32MT/ES

Affected Versions:

Serial number 17X**** or later, versions from 1.220 to 1.281
Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5U-64MT/ES

Affected Versions:

Serial number 17X**** or later, versions from 1.220 to 1.281
Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5U-80MT/ES

Affected Versions:

Serial number 17X**** or later, versions from 1.220 to 1.281
Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5U-32MR/ES

Affected Versions:

Serial number 17X**** or later, versions from 1.220 to 1.281
Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5U-64MR/ES

Affected Versions:

Serial number 17X**** or later, versions from 1.220 to 1.281
Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5U-80MR/ES

Affected Versions:

Serial number 17X**** or later, versions from 1.220 to 1.281
Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5U-32MT/DS

Affected Versions:

Serial number 17X**** or later, versions from 1.220 to 1.281
Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5U-64MT/DS

Affected Versions:

Serial number 17X**** or later, versions from 1.220 to 1.281
Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5U-80MT/DS

Affected Versions:

Serial number 17X**** or later, versions from 1.220 to 1.281
Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5U-32MR/DS

Affected Versions:

Serial number 17X**** or later, versions from 1.220 to 1.281
Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5U-64MR/DS

Affected Versions:

Serial number 17X**** or later, versions from 1.220 to 1.281
Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5U-80MR/DS

Affected Versions:

Serial number 17X**** or later, versions from 1.220 to 1.281
Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5U-32MT/ESS

Affected Versions:

Serial number 17X**** or later, versions from 1.220 to 1.281
Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5U-64MT/ESS

Affected Versions:

Serial number 17X**** or later, versions from 1.220 to 1.281
Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5U-80MT/ESS

Affected Versions:

Serial number 17X**** or later, versions from 1.220 to 1.281
Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5U-32MT/DSS

Affected Versions:

Serial number 17X**** or later, versions from 1.220 to 1.281
Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5U-64MT/DSS

Affected Versions:

Serial number 17X**** or later, versions from 1.220 to 1.281
Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5U-80MT/DSS

Affected Versions:

Serial number 17X**** or later, versions from 1.220 to 1.281
Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5UC-32MT/D

Affected Versions:

Serial number 17X**** or later, versions from 1.220 to 1.281
Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5UC-64MT/D

Affected Versions:

Serial number 17X**** or later, versions from 1.220 to 1.281
Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5UC-96MT/D

Affected Versions:

Serial number 17X**** or later, versions from 1.220 to 1.281
Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5UC-32MT/DSS

Affected Versions:

Serial number 17X**** or later, versions from 1.220 to 1.281
Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5UC-64MT/DSS

Affected Versions:

Serial number 17X**** or later, versions from 1.220 to 1.281
Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5UC-96MT/DSS

Affected Versions:

Serial number 17X**** or later, versions from 1.220 to 1.281
Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5UC-32MT/DS-TS

Affected Versions:

versions from 1.220 to 1.281
Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5UC-32MT/DSS-TS

Affected Versions:

versions from 1.220 to 1.281
Mitsubishi Electric Corporation

MELSEC iQ-F Series FX5UC-32MR/DS-TS

Affected Versions:

versions from 1.220 to 1.281
Mitsubishi Electric Corporation

MELSEC iQ-R Series R00CPU

Affected Versions:

versions 35 and prior
Mitsubishi Electric Corporation

MELSEC iQ-R Series R01CPU

Affected Versions:

versions 35 and prior
Mitsubishi Electric Corporation

MELSEC iQ-R Series R02CPU

Affected Versions:

versions 35 and prior
Mitsubishi Electric Corporation

MELSEC iQ-R Series R04CPU

Affected Versions:

versions from 12 to 68
Mitsubishi Electric Corporation

MELSEC iQ-R Series R08CPU

Affected Versions:

versions from 12 to 68
Mitsubishi Electric Corporation

MELSEC iQ-R Series R16CPU

Affected Versions:

versions from 12 to 68
Mitsubishi Electric Corporation

MELSEC iQ-R Series R32CPU

Affected Versions:

versions from 12 to 68
Mitsubishi Electric Corporation

MELSEC iQ-R Series R120CPU

Affected Versions:

versions from 12 to 68
Mitsubishi Electric Corporation

MELSEC iQ-R Series R04ENCPU

Affected Versions:

versions from 12 to 68
Mitsubishi Electric Corporation

MELSEC iQ-R Series R08ENCPU

Affected Versions:

versions from 12 to 68
Mitsubishi Electric Corporation

MELSEC iQ-R Series R16ENCPU

Affected Versions:

versions from 12 to 68
Mitsubishi Electric Corporation

MELSEC iQ-R Series R32ENCPU

Affected Versions:

versions from 12 to 68
Mitsubishi Electric Corporation

MELSEC iQ-R Series R120ENCPU

Affected Versions:

versions from 12 to 68
Mitsubishi Electric Corporation

MELSEC iQ-R Series R08SFCPU

Affected Versions:

versions from 26 to 31
Mitsubishi Electric Corporation

MELSEC iQ-R Series R16SFCPU

Affected Versions:

versions from 26 to 31
Mitsubishi Electric Corporation

MELSEC iQ-R Series R32SFCPU

Affected Versions:

versions from 26 to 31
Mitsubishi Electric Corporation

MELSEC iQ-R Series R120SFCPU

Affected Versions:

versions from 26 to 31
Mitsubishi Electric Corporation

MELSEC iQ-R Series R08PCPU

Affected Versions:

versions from 3 to 37
Mitsubishi Electric Corporation

MELSEC iQ-R Series R16PCPU

Affected Versions:

versions from 3 to 37
Mitsubishi Electric Corporation

MELSEC iQ-R Series R32PCPU

Affected Versions:

versions from 3 to 37
Mitsubishi Electric Corporation

MELSEC iQ-R Series R120PCPU

Affected Versions:

versions from 3 to 37

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed HIGH

GHSA-jrmr-8594-crxx

Advisory Details

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series CPU modules allows a remote unauthenticated attacker to cause a denial of service (DoS) condition or execute malicious code on a target product by sending specially crafted packets. A system reset of the product is required for recovery from a denial of service (DoS) condition and malicious code execution.

CVSS Scoring

CVSS Score

7.5

CVSS Vector

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

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2023-1424
WEB https://jvn.jp/vu/JVNVU94650413
WEB https://www.cisa.gov/news-events/ics-advisories/icsa-23-143-03
WEB https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-003_en.pdf
WEB https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1727

Advisory provided by GitHub Security Advisory Database. Published: May 24, 2023, Modified: April 4, 2024

References

https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-003_en.pdf
https://jvn.jp/vu/JVNVU94650413
https://www.cisa.gov/news-events/ics-advisories/icsa-23-143-03
Published: 2023-05-24T04:39:25.040Z
Last Modified: 2025-03-05T18:59:00.469Z
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