CVEvulnerability

CVE-2020-7559

7.5 HIGH Published 2020-11-19 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2020-11-19
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected])
5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
Weaknesses
CWE-120

Description

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 EcoStruxureª Control Expert software when receiving a specially crafted request over Modbus.

Affected configurations

• schneider-electric ecostruxure control expert

Related

Weakness · CWE (1)

  • CWE-120 Buffer Copy without Checking Size of Input weakness

References