Buffer overflow in Mitsubishielectric C_controller_module_setting_and_monitoring_tool

CVE-2021-20588

Improper Handling of Length Parameter Inconsistency vulnerability in Mitsubishi Electric FA Engineering Software (CPU Module Logging Configuration Tool versions 1.112R and prior, CW Configurator versions 1.011M and prior, Data Transfer ver…

EPSS: 0.072 (93.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-20588?
CVE-2021-20588 is a high-severity vulnerability in Mitsubishielectric C_controller_module_setting_and_monitoring_tool, classified under Improper Handling of Length Parameter Inconsistency. CVSS score: 7.5/10. Published 2021-02-19.
How severe is CVE-2021-20588?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2021-20588 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.