Buffer overflow in Mitsubishielectric Melsec_iq-fx5u-32mr\/ds
CVE-2023-1424
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 d…
Vulnerability class: Buffer Overflow
EPSS: 0.034 (87.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Mitsubishielectric Melsec_iq-fx5u-32mr\/ds
- Mitsubishielectric Melsec_iq-fx5u-32mr\/ds_firmware
- Mitsubishielectric Melsec_iq-fx5u-32mr\/dss
- Mitsubishielectric Melsec_iq-fx5u-32mr\/dss_firmware
- Mitsubishielectric Melsec_iq-fx5u-32mr\/es
- Mitsubishielectric Melsec_iq-fx5u-32mr\/es_firmware
- Mitsubishielectric Melsec_iq-fx5u-32mr\/ess
- Mitsubishielectric Melsec_iq-fx5u-32mr\/ess_firmware
- Mitsubishielectric Melsec_iq-fx5u-32mt\/ds
- Mitsubishielectric Melsec_iq-fx5u-32mt\/ds_firmware
Weakness classification (CWE)
Public proof-of-concept exploits
References
- Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp (Patch, Vendor Advisory)
- Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp (Third Party Advisory)
- Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp (US Government Resource, Third Party Advisory)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2023-1424?
- CVE-2023-1424 is a critical-severity vulnerability in Mitsubishielectric Melsec_iq-fx5u-32mr\/ds, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 10.0/10. Published 2023-05-24.
- How severe is CVE-2023-1424?
- Critical severity. CVSS v3 base score is 10.0 out of 10.
- Is CVE-2023-1424 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.