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

Weakness classification (CWE)

Public proof-of-concept exploits

References

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.