#VU48363 Improper Check for Unusual or Exceptional Conditions in Schneider Electric products - CVE-2020-7538
Published: November 11, 2020
Vulnerability identifier: #VU48363
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-7538
CWE-ID: CWE-754
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
PLC Simulator for EcoStruxure Control Expert
PLC Simulator for Unity Pro
EcoStruxure Control Expert
PLC Simulator for EcoStruxure Control Expert
PLC Simulator for Unity Pro
EcoStruxure Control Expert
Software vendor:
Schneider Electric
Schneider Electric
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation. A remote attacker can send a specially crafted request over Modbus and cause denial of service condition.
Remediation
Install updates from vendor's website.