Buffer overflow in Schneider-electric Ecostruxure_control_expert

CVE-2020-7559

A CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability exists in PLC Simulator on EcoStruxureª Control Expert (now Unity Pro) (all versions) that could cause a crash of the PLC simulator present in…

Vulnerability class: Buffer Overflow

EPSS: 0.019 (76.9th 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)

References

Frequently asked questions

What is CVE-2020-7559?
CVE-2020-7559 is a high-severity vulnerability in Schneider-electric Ecostruxure_control_expert, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2020-11-19.
How severe is CVE-2020-7559?
High severity. CVSS v3 base score is 7.5 out of 10.